664862252332 has 12 divisors (see below), whose sum is σ = 1163586238696. Its totient is φ = 332409041280.

The previous prime is 664862252303. The next prime is 664862252357. The reversal of 664862252332 is 233252268466.

664862252332 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, 5453394 + ... + 5573977.

Almost surely, 2^664862252332 is an apocalyptic number.

It is an amenable number.

664862252332 is a deficient number, since it is larger than the sum of its proper divisors (498723986364).

664862252332 is a wasteful number, since it uses less digits than its factorization.

664862252332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042448 (or 11042446 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 49.

The spelling of 664862252332 in words is "six hundred sixty-four billion, eight hundred sixty-two million, two hundred fifty-two thousand, three hundred thirty-two".