659539935956 has 48 divisors (see below), whose sum is σ = 1268196410880. Its totient is φ = 297635157120.

The previous prime is 659539935953. The next prime is 659539936001.

659539935956 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659539935953) by changing a digit.

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, 5335805 + ... + 5458011.

It is an arithmetic number, because the mean of its divisors is an integer number (26420758560).

Almost surely, 2^659539935956 is an apocalyptic number.

It is an amenable number.

659539935956 is a deficient number, since it is larger than the sum of its proper divisors (608656474924).

659539935956 is a wasteful number, since it uses less digits than its factorization.

659539935956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123104 (or 123102 counting only the distinct ones).

The product of its digits is 1328602500, while the sum is 74.

The spelling of 659539935956 in words is "six hundred fifty-nine billion, five hundred thirty-nine million, nine hundred thirty-five thousand, nine hundred fifty-six".