659122632 has 96 divisors (see below), whose sum is σ = 2043737280. Its totient is φ = 187989120.

The previous prime is 659122631. The next prime is 659122637. The reversal of 659122632 is 236221956.

659122632 is a `hidden beast` number, since 6 + 5 + 9 + 12 + 2 + 632 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (659122631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509907 + ... + 511197.

It is an arithmetic number, because the mean of its divisors is an integer number (21288930).

Almost surely, 2^659122632 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 659122632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021868640).

659122632 is an abundant number, since it is smaller than the sum of its proper divisors (1384614648).

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

659122632 is a wasteful number, since it uses less digits than its factorization.

659122632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2316 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 659122632 is about 25673.3837271210. The cubic root of 659122632 is about 870.2727959438.

The spelling of 659122632 in words is "six hundred fifty-nine million, one hundred twenty-two thousand, six hundred thirty-two".