6610660 has 48 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 2166912.

The previous prime is 6610621. The next prime is 6610673. The reversal of 6610660 is 660166.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194 + ... + 4246.

It is an arithmetic number, because the mean of its divisors is an integer number (345072).

Almost surely, 2^6610660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6610660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8281728).

6610660 is an abundant number, since it is smaller than the sum of its proper divisors (9952796).

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

6610660 is a wasteful number, since it uses less digits than its factorization.

6610660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6610660 is about 2571.1203783565. The cubic root of 6610660 is about 187.6786800413.

It can be divided in two parts, 66106 and 60, that added together give a palindrome (66166).

The spelling of 6610660 in words is "six million, six hundred ten thousand, six hundred sixty".