668113744232 has 24 divisors (see below), whose sum is σ = 1376949299250. Its totient is φ = 303688065120.

The previous prime is 668113744229. The next prime is 668113744247. The reversal of 668113744232 is 232447311866.

It can be written as a sum of positive squares in only one way, i.e., 575847251716 + 92266492516 = 758846^2 + 303754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345099107 + ... + 345101042.

Almost surely, 2^668113744232 is an apocalyptic number.

It is an amenable number.

668113744232 is an abundant number, since it is smaller than the sum of its proper divisors (708835555018).

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

668113744232 is a wasteful number, since it uses less digits than its factorization.

668113744232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690200177 (or 690200162 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 668113744232 in words is "six hundred sixty-eight billion, one hundred thirteen million, seven hundred forty-four thousand, two hundred thirty-two".