667685316 has 48 divisors (see below), whose sum is σ = 1611348480. Its totient is φ = 214959360.

The previous prime is 667685303. The next prime is 667685363. The reversal of 667685316 is 613586766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228070 + ... + 230978.

It is an arithmetic number, because the mean of its divisors is an integer number (33569760).

Almost surely, 2^667685316 is an apocalyptic number.

It is an amenable number.

667685316 is an abundant number, since it is smaller than the sum of its proper divisors (943663164).

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

667685316 is a wasteful number, since it uses less digits than its factorization.

667685316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3562 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 667685316 is about 25839.6075047590. The cubic root of 667685316 is about 874.0251743906.

The spelling of 667685316 in words is "six hundred sixty-seven million, six hundred eighty-five thousand, three hundred sixteen".