659609906956 has 48 divisors (see below), whose sum is σ = 1549852657920. Its totient is φ = 237222342720.

The previous prime is 659609906939. The next prime is 659609906981.

659609906956 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82364866 + ... + 82372873.

It is an arithmetic number, because the mean of its divisors is an integer number (32288597040).

Almost surely, 2^659609906956 is an apocalyptic number.

It is an amenable number.

659609906956 is an abundant number, since it is smaller than the sum of its proper divisors (890242750964).

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

659609906956 is a wasteful number, since it uses less digits than its factorization.

659609906956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164737774 (or 164737772 counting only the distinct ones).

The product of its (nonzero) digits is 212576400, while the sum is 70.

The spelling of 659609906956 in words is "six hundred fifty-nine billion, six hundred nine million, nine hundred six thousand, nine hundred fifty-six".