56662605156 has 12 divisors (see below), whose sum is σ = 132212745392. Its totient is φ = 18887535048.

The previous prime is 56662605137. The next prime is 56662605221. The reversal of 56662605156 is 65150626665.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360941870 + ... + 2360941893.

Almost surely, 2^56662605156 is an apocalyptic number.

It is an amenable number.

56662605156 is an abundant number, since it is smaller than the sum of its proper divisors (75550140236).

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

56662605156 is a wasteful number, since it uses less digits than its factorization.

56662605156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721883770 (or 4721883768 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 56662605156 in words is "fifty-six billion, six hundred sixty-two million, six hundred five thousand, one hundred fifty-six".