Subtracting from 8118 its sum of digits (18), we obtain a square (8100 = 902).
It is a happy number.
8118 is nontrivially palindromic in base 10.
8118 is a strobogrammatic number because it is the same when read upside-down.
It is a nialpdrome in base 11.
It is a zygodrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 8118.
It is a congruent number.
28118 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8118 is a wasteful number, since it uses less digits than its factorization.
8118 is an evil number, because the sum of its binary digits is even.
The square root of 8118 is about 90.0999445061. The cubic root of 8118 is about 20.0978537844.
The spelling of 8118 in words is "eight thousand, one hundred eighteen".