659120652 has 60 divisors (see below), whose sum is σ = 1730664936. Its totient is φ = 218738880.

The previous prime is 659120611. The next prime is 659120681. The reversal of 659120652 is 256021956.

659120652 is a `hidden beast` number, since 6 + 591 + 2 + 0 + 65 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71127 + ... + 79857.

Almost surely, 2^659120652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659120652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865332468).

659120652 is an abundant number, since it is smaller than the sum of its proper divisors (1071544284).

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

659120652 is a wasteful number, since it uses less digits than its factorization.

659120652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980 (or 8969 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 659120652 is about 25673.3451657551. The cubic root of 659120652 is about 870.2719245117.

The spelling of 659120652 in words is "six hundred fifty-nine million, one hundred twenty thousand, six hundred fifty-two".