56816803674 has 32 divisors (see below), whose sum is σ = 133686599040. Its totient is φ = 17824879296.

The previous prime is 56816803651. The next prime is 56816803697. The reversal of 56816803674 is 47630861865.

56816803674 is a `hidden beast` number, since 568 + 1 + 6 + 8 + 0 + 3 + 6 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (56816803651) and next prime (56816803697).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 56816803674.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30945054 + ... + 30946889.

It is an arithmetic number, because the mean of its divisors is an integer number (4177706220).

Almost surely, 2^56816803674 is an apocalyptic number.

56816803674 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

56816803674 is an abundant number, since it is smaller than the sum of its proper divisors (76869795366).

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

56816803674 is a wasteful number, since it uses less digits than its factorization.

56816803674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61891971 (or 61891965 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 56816803674 in words is "fifty-six billion, eight hundred sixteen million, eight hundred three thousand, six hundred seventy-four".