17118 has 16 divisors (see below), whose sum is σ = 38160. Its totient is φ = 5688.

The previous prime is 17117. The next prime is 17123. The reversal of 17118 is 81171.

17118 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 17118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 212.

It is an arithmetic number, because the mean of its divisors is an integer number (2385).

2¹⁷¹¹⁸ is an apocalyptic number.

17118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

17118 is an abundant number, since it is smaller than the sum of its proper divisors (21042).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19080).

17118 is a wasteful number, since it uses less digits than its factorization.

17118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 56, while the sum is 18.

The square root of 17118 is about 130.8357749241. The cubic root of 17118 is about 25.7721711835.

Adding to 17118 its reverse (81171), we get a palindrome (98289).

The spelling of 17118 in words is "seventeen thousand, one hundred eighteen".