659617852 has 12 divisors (see below), whose sum is σ = 1157660280. Its totient is φ = 328857776.

The previous prime is 659617841. The next prime is 659617877. The reversal of 659617852 is 258716956.

659617852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 659617796 and 659617805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236227 + ... + 239002.

It is an arithmetic number, because the mean of its divisors is an integer number (96471690).

Almost surely, 2^659617852 is an apocalyptic number.

It is an amenable number.

659617852 is a deficient number, since it is larger than the sum of its proper divisors (498042428).

659617852 is a wasteful number, since it uses less digits than its factorization.

659617852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475580 (or 475578 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 659617852 is about 25683.0265350484. The cubic root of 659617852 is about 870.4906960141.

The spelling of 659617852 in words is "six hundred fifty-nine million, six hundred seventeen thousand, eight hundred fifty-two".