656014656 has 112 divisors (see below), whose sum is σ = 1900781568. Its totient is φ = 198028800.

The previous prime is 656014633. The next prime is 656014663. The reversal of 656014656 is 656410656.

656014656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808491 + ... + 809301.

It is an arithmetic number, because the mean of its divisors is an integer number (16971264).

Almost surely, 2^656014656 is an apocalyptic number.

656014656 is a gapful number since it is divisible by the number (66) 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 656014656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950390784).

656014656 is an abundant number, since it is smaller than the sum of its proper divisors (1244766912).

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

656014656 is a wasteful number, since it uses less digits than its factorization.

656014656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 656014656 is about 25612.7830584652. The cubic root of 656014656 is about 868.9027679105.

The spelling of 656014656 in words is "six hundred fifty-six million, fourteen thousand, six hundred fifty-six".