8128118218 has 16 divisors (see below), whose sum is σ = 13432249440. Its totient is φ = 3658018000.

The previous prime is 8128118197. The next prime is 8128118261.

8128118218 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826788 + ... + 1831231.

It is an arithmetic number, because the mean of its divisors is an integer number (839515590).

Almost surely, 2^8128118218 is an apocalyptic number.

8128118218 is a deficient number, since it is larger than the sum of its proper divisors (5304131222).

8128118218 is a wasteful number, since it uses less digits than its factorization.

8128118218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658133.

The product of its digits is 16384, while the sum is 40.

The square root of 8128118218 is about 90156.0769887421. The cubic root of 8128118218 is about 2010.6200258769.

It can be divided in two parts, 81281 and 18218, that added together give a palindrome (99499).

The spelling of 8128118218 in words is "eight billion, one hundred twenty-eight million, one hundred eighteen thousand, two hundred eighteen".