8218232813818 has 16 divisors (see below), whose sum is σ = 12864246880320. Its totient is φ = 3930176241376.

The previous prime is 8218232813789. The next prime is 8218232813849. The reversal of 8218232813818 is 8183182328128.

It is a super-2 number, since 2×8218232813818² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5783563 + ... + 7063006.

It is an arithmetic number, because the mean of its divisors is an integer number (804015430020).

Almost surely, 2^{8218232813818} is an apocalyptic number.

8218232813818 is a deficient number, since it is larger than the sum of its proper divisors (4646014066502).

8218232813818 is a wasteful number, since it uses less digits than its factorization.

8218232813818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12860501.

The product of its digits is 2359296, while the sum is 55.

The spelling of 8218232813818 in words is "eight trillion, two hundred eighteen billion, two hundred thirty-two million, eight hundred thirteen thousand, eight hundred eighteen".