659929956 has 48 divisors (see below), whose sum is σ = 1762360320. Its totient is φ = 188278560.

The previous prime is 659929951. The next prime is 659929979.

659929956 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 659929956.

It is not an unprimeable number, because it can be changed into a prime (659929951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56761 + ... + 67391.

It is an arithmetic number, because the mean of its divisors is an integer number (36715840).

Almost surely, 2^659929956 is an apocalyptic number.

It is an amenable number.

659929956 is an abundant number, since it is smaller than the sum of its proper divisors (1102430364).

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

659929956 is a wasteful number, since it uses less digits than its factorization.

659929956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384 (or 11382 counting only the distinct ones).

The product of its digits is 11809800, while the sum is 60.

The square root of 659929956 is about 25689.1018916583. The cubic root of 659929956 is about 870.6279678142.

The spelling of 659929956 in words is "six hundred fifty-nine million, nine hundred twenty-nine thousand, nine hundred fifty-six".