656380603116 has 240 divisors, whose sum is σ = 2079856880640. Its totient is φ = 176441950080.

The previous prime is 656380603111. The next prime is 656380603163. The reversal of 656380603116 is 611306083656.

656380603116 is a `hidden beast` number, since 6 + 5 + 6 + 38 + 0 + 603 + 1 + 1 + 6 = 666.

656380603116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×656380603116² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (656380603111) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3078865 + ... + 3285143.

It is an arithmetic number, because the mean of its divisors is an integer number (8666070336).

Almost surely, 2^656380603116 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 656380603116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039928440320).

656380603116 is an abundant number, since it is smaller than the sum of its proper divisors (1423476277524).

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

656380603116 is a wasteful number, since it uses less digits than its factorization.

656380603116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206386 (or 206375 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 656380603116 in words is "six hundred fifty-six billion, three hundred eighty million, six hundred three thousand, one hundred sixteen".