56720667190 has 16 divisors (see below), whose sum is σ = 111378764880. Its totient is φ = 20625697120.

The previous prime is 56720667119. The next prime is 56720667209. The reversal of 56720667190 is 9176602765.

It is a super-2 number, since 2×56720667190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257821105 + ... + 257821324.

It is an arithmetic number, because the mean of its divisors is an integer number (6961172805).

Almost surely, 2^56720667190 is an apocalyptic number.

56720667190 is a deficient number, since it is larger than the sum of its proper divisors (54658097690).

56720667190 is a wasteful number, since it uses less digits than its factorization.

56720667190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515642447.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 56720667190 in words is "fifty-six billion, seven hundred twenty million, six hundred sixty-seven thousand, one hundred ninety".