664052112 has 60 divisors (see below), whose sum is σ = 1861758444. Its totient is φ = 220953600.

The previous prime is 664052111. The next prime is 664052149. The reversal of 664052112 is 211250466.

664052112 is a `hidden beast` number, since 6 + 640 + 5 + 2 + 1 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 493906176 + 170145936 = 22224^2 + 13044^2 .

It is not an unprimeable number, because it can be changed into a prime (664052111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82708 + ... + 90380.

Almost surely, 2^664052112 is an apocalyptic number.

It is an amenable number.

664052112 is an abundant number, since it is smaller than the sum of its proper divisors (1197706332).

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

664052112 is a wasteful number, since it uses less digits than its factorization.

664052112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288 (or 8279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 664052112 is about 25769.2086025163. The cubic root of 664052112 is about 872.4369566083.

The spelling of 664052112 in words is "six hundred sixty-four million, fifty-two thousand, one hundred twelve".