664916300 has 18 divisors (see below), whose sum is σ = 1442868588. Its totient is φ = 265966480.

The previous prime is 664916281. The next prime is 664916341. The reversal of 664916300 is 3619466.

It is a super-2 number, since 2×664916300² = 884227372011380000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3324482 + ... + 3324681.

It is an arithmetic number, because the mean of its divisors is an integer number (80159366).

Almost surely, 2^664916300 is an apocalyptic number.

It is an amenable number.

664916300 is an abundant number, since it is smaller than the sum of its proper divisors (777952288).

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

664916300 is a wasteful number, since it uses less digits than its factorization.

664916300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649177 (or 6649170 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 664916300 is about 25785.9709919949. The cubic root of 664916300 is about 872.8152515802.

The spelling of 664916300 in words is "six hundred sixty-four million, nine hundred sixteen thousand, three hundred".