659720104 has 32 divisors (see below), whose sum is σ = 1268245440. Its totient is φ = 321552000.

The previous prime is 659720093. The next prime is 659720129. The reversal of 659720104 is 401027956.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 659720104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205149 + ... + 208339.

It is an arithmetic number, because the mean of its divisors is an integer number (39632670).

Almost surely, 2^659720104 is an apocalyptic number.

It is an amenable number.

659720104 is a deficient number, since it is larger than the sum of its proper divisors (608525336).

659720104 is a wasteful number, since it uses less digits than its factorization.

659720104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 659720104 is about 25685.0171111487. The cubic root of 659720104 is about 870.5356739841.

The spelling of 659720104 in words is "six hundred fifty-nine million, seven hundred twenty thousand, one hundred four".