8113658618 has 32 divisors (see below), whose sum is σ = 13688220672. Its totient is φ = 3578889600.

The previous prime is 8113658611. The next prime is 8113658621. The reversal of 8113658618 is 8168563118.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8113658611) 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, 784823 + ... + 795093.

It is an arithmetic number, because the mean of its divisors is an integer number (427756896).

Almost surely, 2^8113658618 is an apocalyptic number.

8113658618 is a deficient number, since it is larger than the sum of its proper divisors (5574562054).

8113658618 is a wasteful number, since it uses less digits than its factorization.

8113658618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630.

The product of its digits is 276480, while the sum is 47.

The square root of 8113658618 is about 90075.8492493965. The cubic root of 8113658618 is about 2009.4270470772.

The spelling of 8113658618 in words is "eight billion, one hundred thirteen million, six hundred fifty-eight thousand, six hundred eighteen".