666374924675 has 12 divisors (see below), whose sum is σ = 828187163760. Its totient is φ = 531885580320.

The previous prime is 666374924669. The next prime is 666374924693. The reversal of 666374924675 is 576429473666.

It is not a de Polignac number, because 666374924675 - 2⁴ = 666374924659 is a prime.

It is a super-2 number, since 2×666374924675² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30347792 + ... + 30369741.

It is an arithmetic number, because the mean of its divisors is an integer number (69015596980).

Almost surely, 2^666374924675 is an apocalyptic number.

666374924675 is a deficient number, since it is larger than the sum of its proper divisors (161812239085).

666374924675 is a wasteful number, since it uses less digits than its factorization.

666374924675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60717982 (or 60717977 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 65.

The spelling of 666374924675 in words is "six hundred sixty-six billion, three hundred seventy-four million, nine hundred twenty-four thousand, six hundred seventy-five".