56816180990 has 16 divisors (see below), whose sum is σ = 102282517152. Its totient is φ = 22723496544.

The previous prime is 56816180987. The next prime is 56816181001. The reversal of 56816180990 is 9908161865.

It is a congruent 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, 290954 + ... + 445293.

It is an arithmetic number, because the mean of its divisors is an integer number (6392657322).

Almost surely, 2^56816180990 is an apocalyptic number.

56816180990 is a deficient number, since it is larger than the sum of its proper divisors (45466336162).

56816180990 is a wasteful number, since it uses less digits than its factorization.

56816180990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743971.

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 56816180990 in words is "fifty-six billion, eight hundred sixteen million, one hundred eighty thousand, nine hundred ninety".