6617255056 has 10 divisors (see below), whose sum is σ = 12820931702. Its totient is φ = 3308627520.

The previous prime is 6617255023. The next prime is 6617255059. The reversal of 6617255056 is 6505527166.

It can be written as a sum of positive squares in only one way, i.e., 4324377600 + 2292877456 = 65760^2 + 47884^2 .

It is not an unprimeable number, because it can be changed into a prime (6617255059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206789205 + ... + 206789236.

Almost surely, 2^6617255056 is an apocalyptic number.

It is an amenable number.

6617255056 is a deficient number, since it is larger than the sum of its proper divisors (6203676646).

6617255056 is a wasteful number, since it uses less digits than its factorization.

6617255056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413578449 (or 413578443 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 6617255056 is about 81346.5122546751. The cubic root of 6617255056 is about 1877.4107119050.

The spelling of 6617255056 in words is "six billion, six hundred seventeen million, two hundred fifty-five thousand, fifty-six".