56816761672 has 64 divisors (see below), whose sum is σ = 117154252800. Its totient is φ = 25618152000.

The previous prime is 56816761657. The next prime is 56816761679. The reversal of 56816761672 is 27616761865.

It is not an unprimeable number, because it can be changed into a prime (56816761679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5769729 + ... + 5779567.

It is an arithmetic number, because the mean of its divisors is an integer number (1830535200).

Almost surely, 2^56816761672 is an apocalyptic number.

It is an amenable number.

56816761672 is an abundant number, since it is smaller than the sum of its proper divisors (60337491128).

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

56816761672 is a wasteful number, since it uses less digits than its factorization.

56816761672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10374 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The spelling of 56816761672 in words is "fifty-six billion, eight hundred sixteen million, seven hundred sixty-one thousand, six hundred seventy-two".