667013824 has 28 divisors (see below), whose sum is σ = 1324563264. Its totient is φ = 333265664.

The previous prime is 667013771. The next prime is 667013839. The reversal of 667013824 is 428310766.

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 3 ways as a sum of consecutive naturals, for example, 113814 + ... + 119530.

Almost surely, 2^667013824 is an apocalyptic number.

667013824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

667013824 is a deficient number, since it is larger than the sum of its proper divisors (657549440).

667013824 is a wasteful number, since it uses less digits than its factorization.

667013824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7542 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 667013824 is about 25826.6107726120. The cubic root of 667013824 is about 873.7320733556.

The spelling of 667013824 in words is "six hundred sixty-seven million, thirteen thousand, eight hundred twenty-four".