56168712872 has 64 divisors (see below), whose sum is σ = 110609452800. Its totient is φ = 26703290880.

The previous prime is 56168712857. The next prime is 56168712907. The reversal of 56168712872 is 27821786165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21461708 + ... + 21464324.

It is an arithmetic number, because the mean of its divisors is an integer number (1728272700).

Almost surely, 2^56168712872 is an apocalyptic number.

It is an amenable number.

56168712872 is a deficient number, since it is larger than the sum of its proper divisors (54440739928).

56168712872 is a wasteful number, since it uses less digits than its factorization.

56168712872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4022 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 53.

The spelling of 56168712872 in words is "fifty-six billion, one hundred sixty-eight million, seven hundred twelve thousand, eight hundred seventy-two".