665607113210372 has 12 divisors (see below), whose sum is σ = 1167515029207296. Its totient is φ = 332031390579720.

The previous prime is 665607113210327. The next prime is 665607113210383. The reversal of 665607113210372 is 273012311706566.

It is a self number, because there is not a number n which added to its sum of digits gives 665607113210372.

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, 193041504428 + ... + 193041507875.

It is an arithmetic number, because the mean of its divisors is an integer number (97292919100608).

Almost surely, 2^{665607113210372} is an apocalyptic number.

It is an amenable number.

665607113210372 is a deficient number, since it is larger than the sum of its proper divisors (501907915996924).

665607113210372 is a wasteful number, since it uses less digits than its factorization.

665607113210372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386083012738 (or 386083012736 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 665607113210372 in words is "six hundred sixty-five trillion, six hundred seven billion, one hundred thirteen million, two hundred ten thousand, three hundred seventy-two".