56018026164 has 24 divisors (see below), whose sum is σ = 132549697728. Its totient is φ = 18409679680.

The previous prime is 56018026151. The next prime is 56018026171. The reversal of 56018026164 is 46162081065.

It is a happy number.

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, 32873577 + ... + 32875280.

It is an arithmetic number, because the mean of its divisors is an integer number (5522904072).

Almost surely, 2^56018026164 is an apocalyptic number.

It is an amenable number.

56018026164 is an abundant number, since it is smaller than the sum of its proper divisors (76531671564).

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

56018026164 is a wasteful number, since it uses less digits than its factorization.

56018026164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65748935 (or 65748933 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 56018026164 in words is "fifty-six billion, eighteen million, twenty-six thousand, one hundred sixty-four".