6417799056 has 120 divisors (see below), whose sum is σ = 18802368000. Its totient is φ = 2040998400.

The previous prime is 6417799049. The next prime is 6417799067. The reversal of 6417799056 is 6509977146.

It is a super-2 number, since 2×6417799056² = 82376289446388982272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6417798993 and 6417799011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306820 + ... + 327068.

It is an arithmetic number, because the mean of its divisors is an integer number (156686400).

Almost surely, 2^6417799056 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 6417799056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9401184000).

6417799056 is an abundant number, since it is smaller than the sum of its proper divisors (12384568944).

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

6417799056 is a wasteful number, since it uses less digits than its factorization.

6417799056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365 (or 20356 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 6417799056 is about 80111.1668620549. The cubic root of 6417799056 is about 1858.3551049020.

The spelling of 6417799056 in words is "six billion, four hundred seventeen million, seven hundred ninety-nine thousand, fifty-six".