56163646530 has 96 divisors (see below), whose sum is σ = 146554012800. Its totient is φ = 14922890496.

The previous prime is 56163646519. The next prime is 56163646549. The reversal of 56163646530 is 3564636165.

56163646530 is a `hidden beast` number, since 5 + 6 + 1 + 636 + 4 + 6 + 5 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 51196942 + ... + 51198038.

It is an arithmetic number, because the mean of its divisors is an integer number (1526604300).

Almost surely, 2^56163646530 is an apocalyptic number.

56163646530 is an abundant number, since it is smaller than the sum of its proper divisors (90390366270).

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

56163646530 is a wasteful number, since it uses less digits than its factorization.

56163646530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 56163646530 in words is "fifty-six billion, one hundred sixty-three million, six hundred forty-six thousand, five hundred thirty".