656350228992 has 160 divisors (see below), whose sum is σ = 1809561752064. Its totient is φ = 211186483200.

The previous prime is 656350228991. The next prime is 656350229039. The reversal of 656350228992 is 299822053656.

It is not an unprimeable number, because it can be changed into a prime (656350228991) 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, 18886192 + ... + 18920912.

Almost surely, 2^656350228992 is an apocalyptic number.

656350228992 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656350228992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904780876032).

656350228992 is an abundant number, since it is smaller than the sum of its proper divisors (1153211523072).

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

656350228992 is a wasteful number, since it uses less digits than its factorization.

656350228992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35170 (or 35154 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 656350228992 in words is "six hundred fifty-six billion, three hundred fifty million, two hundred twenty-eight thousand, nine hundred ninety-two".