56818260664 has 32 divisors (see below), whose sum is σ = 116234144640. Its totient is φ = 25823154400.

The previous prime is 56818260617. The next prime is 56818260671. The reversal of 56818260664 is 46606281865.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 725079 + ... + 799609.

It is an arithmetic number, because the mean of its divisors is an integer number (3632317020).

Almost surely, 2^56818260664 is an apocalyptic number.

It is an amenable number.

56818260664 is an abundant number, since it is smaller than the sum of its proper divisors (59415883976).

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

56818260664 is a wasteful number, since it uses less digits than its factorization.

56818260664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83211 (or 83207 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 56818260664 in words is "fifty-six billion, eight hundred eighteen million, two hundred sixty thousand, six hundred sixty-four".