8159658459 has 16 divisors (see below), whose sum is σ = 11253433344. Its totient is φ = 5253544800.

The previous prime is 8159658413. The next prime is 8159658467. The reversal of 8159658459 is 9548569518.

It is not a de Polignac number, because 8159658459 - 2¹⁹ = 8159134171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8159658659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43684 + ... + 135009.

It is an arithmetic number, because the mean of its divisors is an integer number (703339584).

Almost surely, 2^8159658459 is an apocalyptic number.

8159658459 is a deficient number, since it is larger than the sum of its proper divisors (3093774885).

8159658459 is a wasteful number, since it uses less digits than its factorization.

8159658459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179218.

The product of its digits is 15552000, while the sum is 60.

The square root of 8159658459 is about 90330.8278440976. The cubic root of 8159658459 is about 2013.2173302539.

The spelling of 8159658459 in words is "eight billion, one hundred fifty-nine million, six hundred fifty-eight thousand, four hundred fifty-nine".