6111603660 has 24 divisors (see below), whose sum is σ = 17112490416. Its totient is φ = 1629760960.

The previous prime is 6111603613. The next prime is 6111603679. The reversal of 6111603660 is 663061116.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50929971 + ... + 50930090.

It is an arithmetic number, because the mean of its divisors is an integer number (713020434).

Almost surely, 2^6111603660 is an apocalyptic number.

6111603660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6111603660 is an abundant number, since it is smaller than the sum of its proper divisors (11000886756).

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

6111603660 is a wasteful number, since it uses less digits than its factorization.

6111603660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101860073 (or 101860071 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6111603660 is about 78176.7462868595. The cubic root of 6111603660 is about 1828.3179683163.

Adding to 6111603660 its reverse (663061116), we get a palindrome (6774664776).

The spelling of 6111603660 in words is "six billion, one hundred eleven million, six hundred three thousand, six hundred sixty".