168011118 has 32 divisors (see below), whose sum is σ = 407301120. Its totient is φ = 50912280.

The previous prime is 168011111. The next prime is 168011147. The reversal of 168011118 is 811110861.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 168011091 and 168011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168011111) 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 15 ways as a sum of consecutive naturals, for example, 140830 + ... + 142017.

It is an arithmetic number, because the mean of its divisors is an integer number (12728160).

Almost surely, 2^168011118 is an apocalyptic number.

168011118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

168011118 is an abundant number, since it is smaller than the sum of its proper divisors (239290002).

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

168011118 is a wasteful number, since it uses less digits than its factorization.

168011118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282869 (or 282863 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

The square root of 168011118 is about 12961.9102758814. The cubic root of 168011118 is about 551.7970071184.

Adding to 168011118 its reverse (811110861), we get a palindrome (979121979).

The spelling of 168011118 in words is "one hundred sixty-eight million, eleven thousand, one hundred eighteen".