66674680008 has 128 divisors (see below), whose sum is σ = 170517916800. Its totient is φ = 21721706496.

The previous prime is 66674679971. The next prime is 66674680019. The reversal of 66674680008 is 80008647666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83656666 + ... + 83657462.

It is an arithmetic number, because the mean of its divisors is an integer number (1332171225).

Almost surely, 2^66674680008 is an apocalyptic number.

It is an amenable number.

66674680008 is an abundant number, since it is smaller than the sum of its proper divisors (103843236792).

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

66674680008 is a wasteful number, since it uses less digits than its factorization.

66674680008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 66674680008 in words is "sixty-six billion, six hundred seventy-four million, six hundred eighty thousand, eight".