664922466 has 32 divisors (see below), whose sum is σ = 1591269120. Its totient is φ = 204591312.

The previous prime is 664922443. The next prime is 664922497. The reversal of 664922466 is 664229466.

664922466 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 15 ways as a sum of consecutive naturals, for example, 472890 + ... + 474293.

It is an arithmetic number, because the mean of its divisors is an integer number (49727160).

Almost surely, 2^664922466 is an apocalyptic number.

664922466 is an abundant number, since it is smaller than the sum of its proper divisors (926346654).

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

664922466 is a wasteful number, since it uses less digits than its factorization.

664922466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947207 (or 947201 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 664922466 is about 25786.0905528543. The cubic root of 664922466 is about 872.8179495449.

The spelling of 664922466 in words is "six hundred sixty-four million, nine hundred twenty-two thousand, four hundred sixty-six".