6616100560 has 40 divisors (see below), whose sum is σ = 15503579136. Its totient is φ = 2625598080.

The previous prime is 6616100551. The next prime is 6616100567. The reversal of 6616100560 is 650016166.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616100567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315436 + ... + 335755.

Almost surely, 2^6616100560 is an apocalyptic number.

It is an amenable number.

6616100560 is an abundant number, since it is smaller than the sum of its proper divisors (8887478576).

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

6616100560 is a wasteful number, since it uses less digits than its factorization.

6616100560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651331 (or 651325 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6616100560 is about 81339.4157834933. The cubic root of 6616100560 is about 1877.3015231653.

The spelling of 6616100560 in words is "six billion, six hundred sixteen million, one hundred thousand, five hundred sixty".