667670586364 has 12 divisors (see below), whose sum is σ = 1171771447000. Its totient is φ = 332878744368.

The previous prime is 667670586299. The next prime is 667670586391. The reversal of 667670586364 is 463685076766.

It is a happy number.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 667670586296 and 667670586305.

It is a congruent number.

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, 239135634 + ... + 239138425.

Almost surely, 2^667670586364 is an apocalyptic number.

It is an amenable number.

667670586364 is a deficient number, since it is larger than the sum of its proper divisors (504100860636).

667670586364 is a wasteful number, since it uses less digits than its factorization.

667670586364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478274412 (or 478274410 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 64.

The spelling of 667670586364 in words is "six hundred sixty-seven billion, six hundred seventy million, five hundred eighty-six thousand, three hundred sixty-four".