659945618316 has 48 divisors (see below), whose sum is σ = 1732627993600. Its totient is φ = 217197289296.

The previous prime is 659945618221. The next prime is 659945618419. The reversal of 659945618316 is 613816549956.

659945618316 is a `hidden beast` number, since 6 + 5 + 9 + 9 + 4 + 5 + 618 + 3 + 1 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38666200 + ... + 38683263.

Almost surely, 2^659945618316 is an apocalyptic number.

It is an amenable number.

659945618316 is an abundant number, since it is smaller than the sum of its proper divisors (1072682375284).

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

659945618316 is a wasteful number, since it uses less digits than its factorization.

659945618316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77349555 (or 77349547 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 659945618316 in words is "six hundred fifty-nine billion, nine hundred forty-five million, six hundred eighteen thousand, three hundred sixteen".