656530068 has 48 divisors (see below), whose sum is σ = 1560525120. Its totient is φ = 214771200.

The previous prime is 656530067. The next prime is 656530073. The reversal of 656530068 is 860035656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656530067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481708 + ... + 483068.

It is an arithmetic number, because the mean of its divisors is an integer number (32510940).

Almost surely, 2^656530068 is an apocalyptic number.

It is an amenable number.

656530068 is an abundant number, since it is smaller than the sum of its proper divisors (903995052).

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

656530068 is a wasteful number, since it uses less digits than its factorization.

656530068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 656530068 is about 25622.8426994352. The cubic root of 656530068 is about 869.1302657134.

The spelling of 656530068 in words is "six hundred fifty-six million, five hundred thirty thousand, sixty-eight".