56604072816 has 60 divisors (see below), whose sum is σ = 158475961800. Its totient is φ = 18860499840.

The previous prime is 56604072799. The next prime is 56604072817. The reversal of 56604072816 is 61827040665.

56604072816 is a `hidden beast` number, since 5 + 6 + 604 + 0 + 7 + 28 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56604072817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289951 + ... + 444161.

It is an arithmetic number, because the mean of its divisors is an integer number (2641266030).

Almost surely, 2^56604072816 is an apocalyptic number.

It is an amenable number.

56604072816 is an abundant number, since it is smaller than the sum of its proper divisors (101871888984).

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

56604072816 is a wasteful number, since it uses less digits than its factorization.

56604072816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156774 (or 156765 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 56604072816 in words is "fifty-six billion, six hundred four million, seventy-two thousand, eight hundred sixteen".