659878368 has 48 divisors (see below), whose sum is σ = 1739673936. Its totient is φ = 219008000.

The previous prime is 659878363. The next prime is 659878391. The reversal of 659878368 is 863878956.

659878368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659878363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7618 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (36243207).

Almost surely, 2^659878368 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 659878368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869836968).

659878368 is an abundant number, since it is smaller than the sum of its proper divisors (1079795568).

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

659878368 is a wasteful number, since it uses less digits than its factorization.

659878368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29747 (or 29739 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 659878368 is about 25688.0977886647. The cubic root of 659878368 is about 870.6052809994.

The spelling of 659878368 in words is "six hundred fifty-nine million, eight hundred seventy-eight thousand, three hundred sixty-eight".