656047313000 has 128 divisors (see below), whose sum is σ = 1565800554240. Its totient is φ = 257222560000.

The previous prime is 656047312979. The next prime is 656047313003. The reversal of 656047313000 is 313740656.

It is not an unprimeable number, because it can be changed into a prime (656047313003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12256295 + ... + 12309705.

It is an arithmetic number, because the mean of its divisors is an integer number (12232816830).

Almost surely, 2^656047313000 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 656047313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782900277120).

656047313000 is an abundant number, since it is smaller than the sum of its proper divisors (909753241240).

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

656047313000 is a wasteful number, since it uses less digits than its factorization.

656047313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53676 (or 53662 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 656047313000 in words is "six hundred fifty-six billion, forty-seven million, three hundred thirteen thousand".