66674006676 has 36 divisors (see below), whose sum is σ = 171052557312. Its totient is φ = 21892956624.

The previous prime is 66674006669. The next prime is 66674006687. The reversal of 66674006676 is 67660047666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 13818900 + ... + 13823723.

Almost surely, 2^66674006676 is an apocalyptic number.

It is an amenable number.

66674006676 is an abundant number, since it is smaller than the sum of its proper divisors (104378550636).

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

66674006676 is a wasteful number, since it uses less digits than its factorization.

66674006676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27642700 (or 27642695 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 66674006676 in words is "sixty-six billion, six hundred seventy-four million, six thousand, six hundred seventy-six".