204672664 has 32 divisors (see below), whose sum is σ = 452736000. Its totient is φ = 84886560.

The previous prime is 204672661. The next prime is 204672683. The reversal of 204672664 is 466276402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204672661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57214 + ... + 60685.

It is an arithmetic number, because the mean of its divisors is an integer number (14148000).

Almost surely, 2^204672664 is an apocalyptic number.

It is an amenable number.

204672664 is an abundant number, since it is smaller than the sum of its proper divisors (248063336).

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

204672664 is a wasteful number, since it uses less digits than its factorization.

204672664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117943 (or 117939 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 204672664 is about 14306.3854274936. The cubic root of 204672664 is about 589.3228504354.

The spelling of 204672664 in words is "two hundred four million, six hundred seventy-two thousand, six hundred sixty-four".