8159999518 has 16 divisors (see below), whose sum is σ = 13395398256. Its totient is φ = 3697237440.

The previous prime is 8159999513. The next prime is 8159999527.

8159999518 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8159999518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8159999513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585621 + ... + 599392.

It is an arithmetic number, because the mean of its divisors is an integer number (837212391).

Almost surely, 2^8159999518 is an apocalyptic number.

8159999518 is a deficient number, since it is larger than the sum of its proper divisors (5235398738).

8159999518 is a wasteful number, since it uses less digits than its factorization.

8159999518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185339.

The product of its digits is 10497600, while the sum is 64.

The square root of 8159999518 is about 90332.7156571748. The cubic root of 8159999518 is about 2013.2453794803.

The spelling of 8159999518 in words is "eight billion, one hundred fifty-nine million, nine hundred ninety-nine thousand, five hundred eighteen".