667670438022 has 32 divisors (see below), whose sum is σ = 1531777132800. Its totient is φ = 190053823008.

The previous prime is 667670438009. The next prime is 667670438093. The reversal of 667670438022 is 220834076766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29536872 + ... + 29559467.

It is an arithmetic number, because the mean of its divisors is an integer number (47868035400).

Almost surely, 2^667670438022 is an apocalyptic number.

667670438022 is an abundant number, since it is smaller than the sum of its proper divisors (864106694778).

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

667670438022 is a wasteful number, since it uses less digits than its factorization.

667670438022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59096620.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 667670438022 in words is "six hundred sixty-seven billion, six hundred seventy million, four hundred thirty-eight thousand, twenty-two".