659594052 has 144 divisors (see below), whose sum is σ = 1855107072. Its totient is φ = 196335360.

The previous prime is 659594051. The next prime is 659594077. The reversal of 659594052 is 250495956.

It is a happy number.

659594052 is a `hidden beast` number, since 6 + 5 + 9 + 594 + 0 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 659593989 and 659594007.

It is not an unprimeable number, because it can be changed into a prime (659594051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3453277 + ... + 3453467.

It is an arithmetic number, because the mean of its divisors is an integer number (12882688).

Almost surely, 2^659594052 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 659594052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927553536).

659594052 is an abundant number, since it is smaller than the sum of its proper divisors (1195513020).

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

659594052 is a wasteful number, since it uses less digits than its factorization.

659594052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 659594052 is about 25682.5631898376. The cubic root of 659594052 is about 870.4802263522.

The spelling of 659594052 in words is "six hundred fifty-nine million, five hundred ninety-four thousand, fifty-two".