667315136 has 28 divisors (see below), whose sum is σ = 1325084472. Its totient is φ = 333435648.

The previous prime is 667315111. The next prime is 667315157. The reversal of 667315136 is 631513766.

667315136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 667315136.

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, 138626 + ... + 143358.

Almost surely, 2^667315136 is an apocalyptic number.

It is an amenable number.

667315136 is a deficient number, since it is larger than the sum of its proper divisors (657769336).

667315136 is a wasteful number, since it uses less digits than its factorization.

667315136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6938 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 667315136 is about 25832.4434771471. The cubic root of 667315136 is about 873.8636180188.

The spelling of 667315136 in words is "six hundred sixty-seven million, three hundred fifteen thousand, one hundred thirty-six".