13136164056 has 96 divisors (see below), whose sum is σ = 36369693360. Its totient is φ = 4281728256.

The previous prime is 13136164051. The next prime is 13136164073. The reversal of 13136164056 is 65046163131.

13136164056 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 6 + 1 + 640 + 5 + 6 = 666.

It is a super-2 number, since 2×13136164056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13136164056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136164051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165906 + ... + 1177118.

Almost surely, 2^13136164056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13136164056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18184846680).

13136164056 is an abundant number, since it is smaller than the sum of its proper divisors (23233529304).

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

13136164056 is a wasteful number, since it uses less digits than its factorization.

13136164056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11585 (or 11578 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 13136164056 in words is "thirteen billion, one hundred thirty-six million, one hundred sixty-four thousand, fifty-six".