653568630 has 96 divisors (see below), whose sum is σ = 1853072640. Its totient is φ = 146240640.

The previous prime is 653568613. The next prime is 653568661. The reversal of 653568630 is 36865356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49911 + ... + 61629.

It is an arithmetic number, because the mean of its divisors is an integer number (19302840).

Almost surely, 2^653568630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653568630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926536320).

653568630 is an abundant number, since it is smaller than the sum of its proper divisors (1199504010).

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

653568630 is a wasteful number, since it uses less digits than its factorization.

653568630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11766 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 653568630 is about 25564.9883629936. The cubic root of 653568630 is about 867.8214883100.

The spelling of 653568630 in words is "six hundred fifty-three million, five hundred sixty-eight thousand, six hundred thirty".