656051632 has 40 divisors (see below), whose sum is σ = 1330914816. Its totient is φ = 312687936.

The previous prime is 656051623. The next prime is 656051633. The reversal of 656051632 is 236150656.

It is not an unprimeable number, because it can be changed into a prime (656051633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110073 + ... + 115879.

Almost surely, 2^656051632 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 656051632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665457408).

656051632 is an abundant number, since it is smaller than the sum of its proper divisors (674863184).

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

656051632 is a wasteful number, since it uses less digits than its factorization.

656051632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145 (or 6139 counting only the distinct ones).

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

The square root of 656051632 is about 25613.5048753582. The cubic root of 656051632 is about 868.9190927211.

The spelling of 656051632 in words is "six hundred fifty-six million, fifty-one thousand, six hundred thirty-two".