13162351656 has 32 divisors (see below), whose sum is σ = 33050852640. Its totient is φ = 4368120768.

The previous prime is 13162351649. The next prime is 13162351661. The reversal of 13162351656 is 65615326131.

It is a super-2 number, since 2×13162351656² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202551 + ... + 1213446.

It is an arithmetic number, because the mean of its divisors is an integer number (1032839145).

Almost surely, 2^13162351656 is an apocalyptic number.

It is an amenable number.

13162351656 is an abundant number, since it is smaller than the sum of its proper divisors (19888500984).

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

13162351656 is a wasteful number, since it uses less digits than its factorization.

13162351656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416233 (or 2416229 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

Adding to 13162351656 its reverse (65615326131), we get a palindrome (78777677787).

The spelling of 13162351656 in words is "thirteen billion, one hundred sixty-two million, three hundred fifty-one thousand, six hundred fifty-six".