56166710678 has 8 divisors (see below), whose sum is σ = 90730840368. Its totient is φ = 25923097224.

The previous prime is 56166710657. The next prime is 56166710701. The reversal of 56166710678 is 87601766165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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, 1080129026 + ... + 1080129077.

It is an arithmetic number, because the mean of its divisors is an integer number (11341355046).

Almost surely, 2^56166710678 is an apocalyptic number.

56166710678 is a deficient number, since it is larger than the sum of its proper divisors (34564129690).

56166710678 is a wasteful number, since it uses less digits than its factorization.

56166710678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160258118.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 56166710678 in words is "fifty-six billion, one hundred sixty-six million, seven hundred ten thousand, six hundred seventy-eight".