659967323769956 has 12 divisors (see below), whose sum is σ = 1155287884686768. Its totient is φ = 329885071002312.

The previous prime is 659967323769953. The next prime is 659967323769967.

It is a happy number.

659967323769956 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (659967323769953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24647705606 + ... + 24647732381.

It is an arithmetic number, because the mean of its divisors is an integer number (96273990390564).

Almost surely, 2^{659967323769956} is an apocalyptic number.

It is an amenable number.

659967323769956 is a deficient number, since it is larger than the sum of its proper divisors (495320560916812).

659967323769956 is a wasteful number, since it uses less digits than its factorization.

659967323769956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49295441338 (or 49295441336 counting only the distinct ones).

The product of its digits is 187492384800, while the sum is 92.

The spelling of 659967323769956 in words is "six hundred fifty-nine trillion, nine hundred sixty-seven billion, three hundred twenty-three million, seven hundred sixty-nine thousand, nine hundred fifty-six".