9131657152 has 28 divisors (see below), whose sum is σ = 18125500960. Its totient is φ = 4564601856.

The previous prime is 9131657149. The next prime is 9131657173. The reversal of 9131657152 is 2517561319.

It is a super-2 number, since 2×9131657152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250249 + ... + 284407.

It is an arithmetic number, because the mean of its divisors is an integer number (647339320).

Almost surely, 2^9131657152 is an apocalyptic number.

It is an amenable number.

9131657152 is a deficient number, since it is larger than the sum of its proper divisors (8993843808).

9131657152 is a wasteful number, since it uses less digits than its factorization.

9131657152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38348 (or 38338 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 9131657152 is about 95559.7046458391. The cubic root of 9131657152 is about 2090.1776481094.

The spelling of 9131657152 in words is "nine billion, one hundred thirty-one million, six hundred fifty-seven thousand, one hundred fifty-two".