656011500496 has 120 divisors (see below), whose sum is σ = 1498475145024. Its totient is φ = 275385707520.

The previous prime is 656011500451. The next prime is 656011500499. The reversal of 656011500496 is 694005110656.

656011500496 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 not an unprimeable number, because it can be changed into a prime (656011500499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3308020 + ... + 3500716.

Almost surely, 2^656011500496 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 656011500496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749237572512).

656011500496 is an abundant number, since it is smaller than the sum of its proper divisors (842463644528).

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

656011500496 is a wasteful number, since it uses less digits than its factorization.

656011500496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192797 (or 192762 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 656011500496 in words is "six hundred fifty-six billion, eleven million, five hundred thousand, four hundred ninety-six".