660130372 has 12 divisors (see below), whose sum is σ = 1260248976. Its totient is φ = 300059240.

The previous prime is 660130327. The next prime is 660130397. The reversal of 660130372 is 273031066.

It is a self number, because there is not a number n which added to its sum of digits gives 660130372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501438 + ... + 7501525.

It is an arithmetic number, because the mean of its divisors is an integer number (105020748).

Almost surely, 2^660130372 is an apocalyptic number.

It is an amenable number.

660130372 is a deficient number, since it is larger than the sum of its proper divisors (600118604).

660130372 is a wasteful number, since it uses less digits than its factorization.

660130372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002978 (or 15002976 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 660130372 is about 25693.0023936480. The cubic root of 660130372 is about 870.7160933860.

The spelling of 660130372 in words is "six hundred sixty million, one hundred thirty thousand, three hundred seventy-two".