6808605161 has 4 divisors (see below), whose sum is σ = 6808890000. Its totient is φ = 6808320324.

The previous prime is 6808605151. The next prime is 6808605187. The reversal of 6808605161 is 1615068086.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6808605161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6808605151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102911 + ... + 155588.

It is an arithmetic number, because the mean of its divisors is an integer number (1702222500).

Almost surely, 2^6808605161 is an apocalyptic number.

It is an amenable number.

6808605161 is a deficient number, since it is larger than the sum of its proper divisors (284839).

6808605161 is a wasteful number, since it uses less digits than its factorization.

6808605161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284838.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 6808605161 is about 82514.2724684645. The cubic root of 6808605161 is about 1895.3352939475.

The spelling of 6808605161 in words is "six billion, eight hundred eight million, six hundred five thousand, one hundred sixty-one".