667672448432 has 40 divisors (see below), whose sum is σ = 1411304684112. Its totient is φ = 303468569600.

The previous prime is 667672448423. The next prime is 667672448459. The reversal of 667672448432 is 234844276766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938988 + ... + 3158004.

Almost surely, 2^667672448432 is an apocalyptic number.

It is an amenable number.

667672448432 is an abundant number, since it is smaller than the sum of its proper divisors (743632235680).

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

667672448432 is a wasteful number, since it uses less digits than its factorization.

667672448432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236357 (or 236351 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 59.

The spelling of 667672448432 in words is "six hundred sixty-seven billion, six hundred seventy-two million, four hundred forty-eight thousand, four hundred thirty-two".