13636165656 has 16 divisors (see below), whose sum is σ = 34090414200. Its totient is φ = 4545388544.

The previous prime is 13636165607. The next prime is 13636165657. The reversal of 13636165656 is 65656163631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636165657) 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, 284086761 + ... + 284086808.

Almost surely, 2^13636165656 is an apocalyptic number.

It is an amenable number.

13636165656 is an abundant number, since it is smaller than the sum of its proper divisors (20454248544).

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

13636165656 is a wasteful number, since it uses less digits than its factorization.

13636165656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568173578 (or 568173574 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 48.

The spelling of 13636165656 in words is "thirteen billion, six hundred thirty-six million, one hundred sixty-five thousand, six hundred fifty-six".