659980268 has 12 divisors (see below), whose sum is σ = 1155145320. Its totient is φ = 329938752.

The previous prime is 659980267. The next prime is 659980271. The reversal of 659980268 is 862089956.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (659980261) 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, 44255 + ... + 57257.

It is an arithmetic number, because the mean of its divisors is an integer number (96262110).

Almost surely, 2^659980268 is an apocalyptic number.

It is an amenable number.

659980268 is a deficient number, since it is larger than the sum of its proper divisors (495165052).

659980268 is a wasteful number, since it uses less digits than its factorization.

659980268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25696 (or 25694 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 659980268 is about 25690.0811209307. The cubic root of 659980268 is about 870.6500923446.

The spelling of 659980268 in words is "six hundred fifty-nine million, nine hundred eighty thousand, two hundred sixty-eight".