667163958292 has 48 divisors (see below), whose sum is σ = 1284652276992. Its totient is φ = 301240575360.

The previous prime is 667163958281. The next prime is 667163958311. The reversal of 667163958292 is 292859361766.

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, 5737158 + ... + 5852290.

It is an arithmetic number, because the mean of its divisors is an integer number (26763589104).

Almost surely, 2^667163958292 is an apocalyptic number.

It is an amenable number.

667163958292 is a deficient number, since it is larger than the sum of its proper divisors (617488318700).

667163958292 is a wasteful number, since it uses less digits than its factorization.

667163958292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117568 (or 117566 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 64.

The spelling of 667163958292 in words is "six hundred sixty-seven billion, one hundred sixty-three million, nine hundred fifty-eight thousand, two hundred ninety-two".