56191612004 has 12 divisors (see below), whose sum is σ = 107274895728. Its totient is φ = 25541641800.

The previous prime is 56191611989. The next prime is 56191612027. The reversal of 56191612004 is 40021619165.

56191612004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638541002 + ... + 638541089.

It is an arithmetic number, because the mean of its divisors is an integer number (8939574644).

Almost surely, 2^56191612004 is an apocalyptic number.

It is an amenable number.

56191612004 is a deficient number, since it is larger than the sum of its proper divisors (51083283724).

56191612004 is a wasteful number, since it uses less digits than its factorization.

56191612004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277082106 (or 1277082104 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 56191612004 in words is "fifty-six billion, one hundred ninety-one million, six hundred twelve thousand, four".