66667000674 has 16 divisors (see below), whose sum is σ = 133337191680. Its totient is φ = 22221801840.

The previous prime is 66667000657. The next prime is 66667000721. The reversal of 66667000674 is 47600076666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204687 + ... + 418605.

It is an arithmetic number, because the mean of its divisors is an integer number (8333574480).

Almost surely, 2^66667000674 is an apocalyptic number.

66667000674 is an abundant number, since it is smaller than the sum of its proper divisors (66670191006).

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

66667000674 is a wasteful number, since it uses less digits than its factorization.

66667000674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265865.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 66667000674 in words is "sixty-six billion, six hundred sixty-seven million, six hundred seventy-four", and thus it is an aban number.