667463064 has 32 divisors (see below), whose sum is σ = 1678313520. Its totient is φ = 221200256.

The previous prime is 667463011. The next prime is 667463081. The reversal of 667463064 is 460364766.

667463064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76227 + ... + 84530.

Almost surely, 2^667463064 is an apocalyptic number.

It is an amenable number.

667463064 is an abundant number, since it is smaller than the sum of its proper divisors (1010850456).

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

667463064 is a wasteful number, since it uses less digits than its factorization.

667463064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160939 (or 160935 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 667463064 is about 25835.3065396949. The cubic root of 667463064 is about 873.9281848876.

The spelling of 667463064 in words is "six hundred sixty-seven million, four hundred sixty-three thousand, sixty-four".