118368189 has 32 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 73624320.

The previous prime is 118368139. The next prime is 118368197. The reversal of 118368189 is 981863811.

It is not a de Polignac number, because 118368189 - 2¹¹ = 118366141 is a prime.

It is a super-2 number, since 2×118368189² = 28022056334279442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118368139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23137 + ... + 27785.

It is an arithmetic number, because the mean of its divisors is an integer number (5859000).

Almost surely, 2^118368189 is an apocalyptic number.

It is an amenable number.

118368189 is a deficient number, since it is larger than the sum of its proper divisors (69119811).

118368189 is a wasteful number, since it uses less digits than its factorization.

118368189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4716 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 118368189 is about 10879.7145642705. The cubic root of 118368189 is about 490.9964299429.

The spelling of 118368189 in words is "one hundred eighteen million, three hundred sixty-eight thousand, one hundred eighty-nine".