56671722146 has 24 divisors (see below), whose sum is σ = 92752372944. Its totient is φ = 25956493680.

The previous prime is 56671722103. The next prime is 56671722187. The reversal of 56671722146 is 64122717665.

It is a self number, because there is not a number n which added to its sum of digits gives 56671722146.

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 11 ways as a sum of consecutive naturals, for example, 595676 + ... + 684231.

It is an arithmetic number, because the mean of its divisors is an integer number (3864682206).

Almost surely, 2^56671722146 is an apocalyptic number.

56671722146 is a deficient number, since it is larger than the sum of its proper divisors (36080650798).

56671722146 is a wasteful number, since it uses less digits than its factorization.

56671722146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280066 (or 1280053 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The spelling of 56671722146 in words is "fifty-six billion, six hundred seventy-one million, seven hundred twenty-two thousand, one hundred forty-six".