181108 has 12 divisors (see below), whose sum is σ = 333760. Its totient is φ = 85752.

The previous prime is 181087. The next prime is 181123. The reversal of 181108 is 801181.

181108 is digitally balanced in base 2, 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 (19).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116 + ... + 1267.

2¹⁸¹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

181108 is a deficient number, since it is larger than the sum of its proper divisors (152652).

181108 is a wasteful number, since it uses less digits than its factorization.

181108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 181108 is about 425.5678559290. The cubic root of 181108 is about 56.5777768224.

Adding to 181108 its reverse (801181), we get a palindrome (982289).

It can be divided in two parts, 181 and 108, that added together give a square (289 = 17²).

The spelling of 181108 in words is "one hundred eighty-one thousand, one hundred eight".