664130952 has 48 divisors (see below), whose sum is σ = 1800805500. Its totient is φ = 221116416.

The previous prime is 664130941. The next prime is 664130983. The reversal of 664130952 is 259031466.

It is a happy number.

664130952 is a `hidden beast` number, since 6 + 641 + 3 + 0 + 9 + 5 + 2 = 666.

664130952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 522853956 + 141276996 = 22866^2 + 11886^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 61924 + ... + 71852.

Almost surely, 2^664130952 is an apocalyptic number.

It is an amenable number.

664130952 is an abundant number, since it is smaller than the sum of its proper divisors (1136674548).

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

664130952 is a wasteful number, since it uses less digits than its factorization.

664130952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870 (or 10863 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 664130952 is about 25770.7382897735. The cubic root of 664130952 is about 872.4714821154.

The spelling of 664130952 in words is "six hundred sixty-four million, one hundred thirty thousand, nine hundred fifty-two".