8160711899 has 4 divisors (see below), whose sum is σ = 8162295240. Its totient is φ = 8159128560.

The previous prime is 8160711893. The next prime is 8160711913. The reversal of 8160711899 is 9981170618.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8160711899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8160711893) 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, 783914 + ... + 794255.

It is an arithmetic number, because the mean of its divisors is an integer number (2040573810).

Almost surely, 2^8160711899 is an apocalyptic number.

8160711899 is a deficient number, since it is larger than the sum of its proper divisors (1583341).

8160711899 is a wasteful number, since it uses less digits than its factorization.

8160711899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583340.

The product of its (nonzero) digits is 217728, while the sum is 50.

The square root of 8160711899 is about 90336.6586663465. The cubic root of 8160711899 is about 2013.3039642887.

The spelling of 8160711899 in words is "eight billion, one hundred sixty million, seven hundred eleven thousand, eight hundred ninety-nine".