6808790288161 has 4 divisors (see below), whose sum is σ = 6808798013872. Its totient is φ = 6808782562452.

The previous prime is 6808790288159. The next prime is 6808790288189. The reversal of 6808790288161 is 1618820978086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6808790288161 - 2¹ = 6808790288159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6808790288093 and 6808790288102.

It is not an unprimeable number, because it can be changed into a prime (6808790208161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2341035 + ... + 4370128.

It is an arithmetic number, because the mean of its divisors is an integer number (1702199503468).

Almost surely, 2^{6808790288161} is an apocalyptic number.

It is an amenable number.

6808790288161 is a deficient number, since it is larger than the sum of its proper divisors (7725711).

6808790288161 is a wasteful number, since it uses less digits than its factorization.

6808790288161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725710.

The product of its (nonzero) digits is 18579456, while the sum is 64.

The spelling of 6808790288161 in words is "six trillion, eight hundred eight billion, seven hundred ninety million, two hundred eighty-eight thousand, one hundred sixty-one".