664100488 has 16 divisors (see below), whose sum is σ = 1262727360. Its totient is φ = 327373200.

The previous prime is 664100477. The next prime is 664100497. The reversal of 664100488 is 884001466.

664100488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 584028 + ... + 585163.

It is an arithmetic number, because the mean of its divisors is an integer number (78920460).

Almost surely, 2^664100488 is an apocalyptic number.

It is an amenable number.

664100488 is a deficient number, since it is larger than the sum of its proper divisors (598626872).

664100488 is a wasteful number, since it uses less digits than its factorization.

664100488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169268 (or 1169264 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 664100488 is about 25770.1472250354. The cubic root of 664100488 is about 872.4581416853.

The spelling of 664100488 in words is "six hundred sixty-four million, one hundred thousand, four hundred eighty-eight".