13157668244 has 24 divisors (see below), whose sum is σ = 26370301440. Its totient is φ = 5627222496.

The previous prime is 13157668231. The next prime is 13157668253. The reversal of 13157668244 is 44286675131.

It is a congruent number.

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, 477107 + ... + 503930.

It is an arithmetic number, because the mean of its divisors is an integer number (1098762560).

Almost surely, 2^13157668244 is an apocalyptic number.

13157668244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13157668244 is an abundant number, since it is smaller than the sum of its proper divisors (13212633196).

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

13157668244 is a wasteful number, since it uses less digits than its factorization.

13157668244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981527 (or 981525 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 13157668244 in words is "thirteen billion, one hundred fifty-seven million, six hundred sixty-eight thousand, two hundred forty-four".