8198136018 has 24 divisors (see below), whose sum is σ = 18175714128. Its totient is φ = 2669160312.

The previous prime is 8198136007. The next prime is 8198136047. The reversal of 8198136018 is 8106318918.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5295180 + ... + 5296727.

It is an arithmetic number, because the mean of its divisors is an integer number (757321422).

Almost surely, 2^8198136018 is an apocalyptic number.

8198136018 is an abundant number, since it is smaller than the sum of its proper divisors (9977578110).

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

8198136018 is a wasteful number, since it uses less digits than its factorization.

8198136018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591958 (or 10591955 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 8198136018 is about 90543.5586775779. The cubic root of 8198136018 is about 2016.3768679067.

The spelling of 8198136018 in words is "eight billion, one hundred ninety-eight million, one hundred thirty-six thousand, eighteen".