659693996 has 12 divisors (see below), whose sum is σ = 1243269552. Its totient is φ = 304474128.

The previous prime is 659693989. The next prime is 659693999. The reversal of 659693996 is 699396956.

It is not an unprimeable number, because it can be changed into a prime (659693999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6343160 + ... + 6343263.

It is an arithmetic number, because the mean of its divisors is an integer number (103605796).

Almost surely, 2^659693996 is an apocalyptic number.

It is an amenable number.

659693996 is a deficient number, since it is larger than the sum of its proper divisors (583575556).

659693996 is a wasteful number, since it uses less digits than its factorization.

659693996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686440 (or 12686438 counting only the distinct ones).

The product of its digits is 21257640, while the sum is 62.

The square root of 659693996 is about 25684.5088720809. The cubic root of 659693996 is about 870.5241902023.

The spelling of 659693996 in words is "six hundred fifty-nine million, six hundred ninety-three thousand, nine hundred ninety-six".