664752150 has 48 divisors (see below), whose sum is σ = 1831765200. Its totient is φ = 177266880.

The previous prime is 664752149. The next prime is 664752157. The reversal of 664752150 is 51257466.

It is a happy number.

664752150 is a `hidden beast` number, since 6 + 647 + 5 + 2 + 1 + 5 + 0 = 666.

664752150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664752157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244855 + ... + 247554.

It is an arithmetic number, because the mean of its divisors is an integer number (38161775).

Almost surely, 2^664752150 is an apocalyptic number.

664752150 is an abundant number, since it is smaller than the sum of its proper divisors (1167013050).

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

664752150 is a wasteful number, since it uses less digits than its factorization.

664752150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492430 (or 492419 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 664752150 is about 25782.7878632238. The cubic root of 664752150 is about 872.7434207772.

The spelling of 664752150 in words is "six hundred sixty-four million, seven hundred fifty-two thousand, one hundred fifty".