118118166 has 8 divisors (see below), whose sum is σ = 236236344. Its totient is φ = 39372720.

The previous prime is 118118149. The next prime is 118118167. The reversal of 118118166 is 661811811.

It is a sphenic number, since it is the product of 3 distinct primes.

118118166 is an admirable number.

It is a super-2 number, since 2×118118166² = 27903802278407112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118118167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9843175 + ... + 9843186.

It is an arithmetic number, because the mean of its divisors is an integer number (29529543).

Almost surely, 2^118118166 is an apocalyptic number.

118118166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118118166 is a wasteful number, since it uses less digits than its factorization.

118118166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19686366.

The product of its digits is 2304, while the sum is 33.

The square root of 118118166 is about 10868.2181612259. The cubic root of 118118166 is about 490.6504841375.

Adding to 118118166 its reverse (661811811), we get a palindrome (779929977).

The spelling of 118118166 in words is "one hundred eighteen million, one hundred eighteen thousand, one hundred sixty-six".