231537643736604 has 96 divisors (see below), whose sum is σ = 551389148083200. Its totient is φ = 75602352672000.

The previous prime is 231537643736563. The next prime is 231537643736627. The reversal of 231537643736604 is 406637346735132.

It is a super-2 number, since 2×231537643736604² (a number of 30 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 31 ways as a sum of consecutive naturals, for example, 135388854 + ... + 137088354.

It is an arithmetic number, because the mean of its divisors is an integer number (5743636959200).

Almost surely, 2^{231537643736604} is an apocalyptic number.

It is an amenable number.

231537643736604 is an abundant number, since it is smaller than the sum of its proper divisors (319851504346596).

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

231537643736604 is a wasteful number, since it uses less digits than its factorization.

231537643736604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700523 (or 1700521 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 60.

The spelling of 231537643736604 in words is "two hundred thirty-one trillion, five hundred thirty-seven billion, six hundred forty-three million, seven hundred thirty-six thousand, six hundred four".