60660000 has 180 divisors, whose sum is σ = 216197982. Its totient is φ = 16128000.

The previous prime is 60659999. The next prime is 60660023. The reversal of 60660000 is 6606.

60660000 is a `hidden beast` number, since 6 + 0 + 660 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 7056 + 60652944 = 84^2 + 7788^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 179832 + ... + 180168.

Almost surely, 2^60660000 is an apocalyptic number.

60660000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108098991).

60660000 is an abundant number, since it is smaller than the sum of its proper divisors (155537982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60660000 is a wasteful number, since it uses less digits than its factorization.

60660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 60660000 is about 7788.4529914483. The cubic root of 60660000 is about 392.9169841940.

Adding to 60660000 its reverse (6606), we get a palindrome (60666606).

It can be divided in two parts, 606 and 60000, that added together give a palindrome (60606).

The spelling of 60660000 in words is "sixty million, six hundred sixty thousand".