668481176 has 16 divisors (see below), whose sum is σ = 1367348040. Its totient is φ = 303855040.

The previous prime is 668481167. The next prime is 668481181. The reversal of 668481176 is 671184866.

668481176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 668481176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798101 + ... + 3798276.

Almost surely, 2^668481176 is an apocalyptic number.

It is an amenable number.

668481176 is an abundant number, since it is smaller than the sum of its proper divisors (698866864).

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

668481176 is a wasteful number, since it uses less digits than its factorization.

668481176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596394 (or 7596390 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 668481176 is about 25855.0029201313. The cubic root of 668481176 is about 874.3723067212.

The spelling of 668481176 in words is "six hundred sixty-eight million, four hundred eighty-one thousand, one hundred seventy-six".