664605300 has 36 divisors (see below), whose sum is σ = 1922925536. Its totient is φ = 177228000.

The previous prime is 664605299. The next prime is 664605353. The reversal of 664605300 is 3506466.

664605300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1107376 + ... + 1107975.

Almost surely, 2^664605300 is an apocalyptic number.

664605300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

664605300 is an abundant number, since it is smaller than the sum of its proper divisors (1258320236).

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

664605300 is a wasteful number, since it uses less digits than its factorization.

664605300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215368 (or 2215361 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 664605300 is about 25779.9398758027. The cubic root of 664605300 is about 872.6791503019.

The spelling of 664605300 in words is "six hundred sixty-four million, six hundred five thousand, three hundred".