667647116676 has 60 divisors (see below), whose sum is σ = 1785951282192. Its totient is φ = 217373475312.

The previous prime is 667647116663. The next prime is 667647116693. The reversal of 667647116676 is 676611746766.

667647116676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23946990 + ... + 23974853.

Almost surely, 2^667647116676 is an apocalyptic number.

It is an amenable number.

667647116676 is an abundant number, since it is smaller than the sum of its proper divisors (1118304165516).

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

667647116676 is a wasteful number, since it uses less digits than its factorization.

667647116676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47921902 (or 47921891 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 667647116676 in words is "six hundred sixty-seven billion, six hundred forty-seven million, one hundred sixteen thousand, six hundred seventy-six".