13656546356 has 12 divisors (see below), whose sum is σ = 23899781220. Its totient is φ = 6828037440.

The previous prime is 13656546353. The next prime is 13656546361. The reversal of 13656546356 is 65364565631.

It can be written as a sum of positive squares in 2 ways, for example, as 4418260900 + 9238285456 = 66470^2 + 96116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656546353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171650 + ... + 238278.

It is an arithmetic number, because the mean of its divisors is an integer number (1991648435).

Almost surely, 2^13656546356 is an apocalyptic number.

It is an amenable number.

13656546356 is a deficient number, since it is larger than the sum of its proper divisors (10243234864).

13656546356 is a wasteful number, since it uses less digits than its factorization.

13656546356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117874 (or 117872 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 50.

The spelling of 13656546356 in words is "thirteen billion, six hundred fifty-six million, five hundred forty-six thousand, three hundred fifty-six".