666667324 has 6 divisors (see below), whose sum is σ = 1166667824. Its totient is φ = 333333660.

The previous prime is 666667303. The next prime is 666667349. The reversal of 666667324 is 423766666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83333412 + ... + 83333419.

Almost surely, 2^666667324 is an apocalyptic number.

It is an amenable number.

666667324 is a deficient number, since it is larger than the sum of its proper divisors (500000500).

666667324 is a wasteful number, since it uses less digits than its factorization.

666667324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166666835 (or 166666833 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 46.

The square root of 666667324 is about 25819.9017039182. The cubic root of 666667324 is about 873.5807518530.

The spelling of 666667324 in words is "six hundred sixty-six million, six hundred sixty-seven thousand, three hundred twenty-four".