56053400166 has 40 divisors (see below), whose sum is σ = 125647153104. Its totient is φ = 18677621520.

The previous prime is 56053400159. The next prime is 56053400167. The reversal of 56053400166 is 66100435065.

56053400166 is a `hidden beast` number, since 5 + 60 + 534 + 0 + 0 + 1 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56053400166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56053400167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 390156 + ... + 514128.

Almost surely, 2^56053400166 is an apocalyptic number.

56053400166 is an abundant number, since it is smaller than the sum of its proper divisors (69593752938).

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

56053400166 is a wasteful number, since it uses less digits than its factorization.

56053400166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126778 (or 126769 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 56053400166 in words is "fifty-six billion, fifty-three million, four hundred thousand, one hundred sixty-six".