660941596836 has 72 divisors (see below), whose sum is σ = 1676238724160. Its totient is φ = 219586303296.

The previous prime is 660941596829. The next prime is 660941596867. The reversal of 660941596836 is 638695149066.

660941596836 is a `hidden beast` number, since 6 + 6 + 0 + 9 + 4 + 1 + 596 + 8 + 36 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15735615 + ... + 15777561.

Almost surely, 2^660941596836 is an apocalyptic number.

It is an amenable number.

660941596836 is an abundant number, since it is smaller than the sum of its proper divisors (1015297127324).

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

660941596836 is a wasteful number, since it uses less digits than its factorization.

660941596836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43393 (or 43388 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 660941596836 in words is "six hundred sixty billion, nine hundred forty-one million, five hundred ninety-six thousand, eight hundred thirty-six".