604617664 has 42 divisors (see below), whose sum is σ = 1395679200. Its totient is φ = 259120512.

The previous prime is 604617661. The next prime is 604617679. The reversal of 604617664 is 466716406.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604617661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93264 + ... + 99535.

Almost surely, 2^604617664 is an apocalyptic number.

604617664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

604617664 is an abundant number, since it is smaller than the sum of its proper divisors (791061536).

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

604617664 is a wasteful number, since it uses less digits than its factorization.

604617664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192825 (or 192808 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 604617664 is about 24588.9744397769. The cubic root of 604617664 is about 845.5908541034.

The spelling of 604617664 in words is "six hundred four million, six hundred seventeen thousand, six hundred sixty-four".