8160809768 has 32 divisors (see below), whose sum is σ = 16481871360. Its totient is φ = 3777090240.

The previous prime is 8160809743. The next prime is 8160809771. The reversal of 8160809768 is 8679080618.

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, 709655 + ... + 721062.

It is an arithmetic number, because the mean of its divisors is an integer number (515058480).

Almost surely, 2^8160809768 is an apocalyptic number.

It is an amenable number.

8160809768 is an abundant number, since it is smaller than the sum of its proper divisors (8321061592).

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

8160809768 is a wasteful number, since it uses less digits than its factorization.

8160809768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430777 (or 1430773 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 8160809768 is about 90337.2003551140. The cubic root of 8160809768 is about 2013.3120125758.

The spelling of 8160809768 in words is "eight billion, one hundred sixty million, eight hundred nine thousand, seven hundred sixty-eight".