56166672858 has 16 divisors (see below), whose sum is σ = 112338297696. Its totient is φ = 18721398960.

The previous prime is 56166672841. The next prime is 56166672899. The reversal of 56166672858 is 85827666165.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49741 + ... + 338832.

It is an arithmetic number, because the mean of its divisors is an integer number (7021143606).

Almost surely, 2^56166672858 is an apocalyptic number.

56166672858 is an abundant number, since it is smaller than the sum of its proper divisors (56171624838).

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

56166672858 is a wasteful number, since it uses less digits than its factorization.

56166672858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412669.

The product of its digits is 29030400, while the sum is 60.

The spelling of 56166672858 in words is "fifty-six billion, one hundred sixty-six million, six hundred seventy-two thousand, eight hundred fifty-eight".