8136666318 has 32 divisors (see below), whose sum is σ = 18087691392. Its totient is φ = 2419133600.

The previous prime is 8136666287. The next prime is 8136666319.

8136666318 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8136666319) 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, 1159548 + ... + 1166543.

It is an arithmetic number, because the mean of its divisors is an integer number (565240356).

Almost surely, 2^8136666318 is an apocalyptic number.

8136666318 is an abundant number, since it is smaller than the sum of its proper divisors (9951025074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8136666318 is a wasteful number, since it uses less digits than its factorization.

8136666318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326160.

The product of its digits is 746496, while the sum is 48.

The square root of 8136666318 is about 90203.4717624549. The cubic root of 8136666318 is about 2011.3246153480.

The spelling of 8136666318 in words is "eight billion, one hundred thirty-six million, six hundred sixty-six thousand, three hundred eighteen".