6566946798 has 16 divisors (see below), whose sum is σ = 13704932736. Its totient is φ = 2093809080.

The previous prime is 6566946773. The next prime is 6566946809. The reversal of 6566946798 is 8976496656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23793148 + ... + 23793423.

It is an arithmetic number, because the mean of its divisors is an integer number (856558296).

Almost surely, 2^6566946798 is an apocalyptic number.

6566946798 is an abundant number, since it is smaller than the sum of its proper divisors (7137985938).

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

6566946798 is a wasteful number, since it uses less digits than its factorization.

6566946798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47586599.

The product of its digits is 117573120, while the sum is 66.

The square root of 6566946798 is about 81036.7003153509. The cubic root of 6566946798 is about 1872.6408775513.

The spelling of 6566946798 in words is "six billion, five hundred sixty-six million, nine hundred forty-six thousand, seven hundred ninety-eight".