56613166215 has 16 divisors (see below), whose sum is σ = 90588002400. Its totient is φ = 30191376512.

The previous prime is 56613166163. The next prime is 56613166217. The reversal of 56613166215 is 51266131665.

56613166215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56613166215 - 2⁹ = 56613165703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56613166217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67981 + ... + 343289.

It is an arithmetic number, because the mean of its divisors is an integer number (5661750150).

Almost surely, 2^56613166215 is an apocalyptic number.

56613166215 is a deficient number, since it is larger than the sum of its proper divisors (33974836185).

56613166215 is a wasteful number, since it uses less digits than its factorization.

56613166215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289026.

The product of its digits is 194400, while the sum is 42.

The spelling of 56613166215 in words is "fifty-six billion, six hundred thirteen million, one hundred sixty-six thousand, two hundred fifteen".