656884368 has 240 divisors, whose sum is σ = 2175813120. Its totient is φ = 181149696.

The previous prime is 656884367. The next prime is 656884373. The reversal of 656884368 is 863488656.

It is not an unprimeable number, because it can be changed into a prime (656884363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5813080 + ... + 5813192.

It is an arithmetic number, because the mean of its divisors is an integer number (9065888).

Almost surely, 2^656884368 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 656884368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087906560).

656884368 is an abundant number, since it is smaller than the sum of its proper divisors (1518928752).

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

656884368 is a wasteful number, since it uses less digits than its factorization.

656884368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 277 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 656884368 is about 25629.7555197079. The cubic root of 656884368 is about 869.2865812132.

The spelling of 656884368 in words is "six hundred fifty-six million, eight hundred eighty-four thousand, three hundred sixty-eight".