6281056656 has 320 divisors, whose sum is σ = 21479180800. Its totient is φ = 1719926784.

The previous prime is 6281056643. The next prime is 6281056681. The reversal of 6281056656 is 6566501826.

It is a happy number.

6281056656 is a `hidden beast` number, since 6 + 2 + 81 + 0 + 566 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8167440 + ... + 8168208.

It is an arithmetic number, because the mean of its divisors is an integer number (67122440).

Almost surely, 2^6281056656 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 6281056656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10739590400).

6281056656 is an abundant number, since it is smaller than the sum of its proper divisors (15198124144).

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

6281056656 is a wasteful number, since it uses less digits than its factorization.

6281056656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 6281056656 is about 79253.1176421471. The cubic root of 6281056656 is about 1845.0617416049.

The spelling of 6281056656 in words is "six billion, two hundred eighty-one million, fifty-six thousand, six hundred fifty-six".