231753664 has 28 divisors (see below), whose sum is σ = 463523584. Its totient is φ = 114960384.

The previous prime is 231753653. The next prime is 231753671. The reversal of 231753664 is 466357132.

231753664 is an admirable number.

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, 6129 + ... + 22384.

Almost surely, 2^231753664 is an apocalyptic number.

It is an amenable number.

231753664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231753664 is a wasteful number, since it uses less digits than its factorization.

231753664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28652 (or 28642 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 231753664 is about 15223.4576887119. The cubic root of 231753664 is about 614.2458104652.

The spelling of 231753664 in words is "two hundred thirty-one million, seven hundred fifty-three thousand, six hundred sixty-four".