656506060 has 96 divisors (see below), whose sum is σ = 1647112320. Its totient is φ = 215040000.

The previous prime is 656506057. The next prime is 656506087. The reversal of 656506060 is 60605656.

656506060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409260 + ... + 410860.

It is an arithmetic number, because the mean of its divisors is an integer number (17157420).

Almost surely, 2^656506060 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 656506060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823556160).

656506060 is an abundant number, since it is smaller than the sum of its proper divisors (990606260).

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

656506060 is a wasteful number, since it uses less digits than its factorization.

656506060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 656506060 is about 25622.3742069309. The cubic root of 656506060 is about 869.1196714620.

The spelling of 656506060 in words is "six hundred fifty-six million, five hundred six thousand, sixty".