118533198 has 32 divisors (see below), whose sum is σ = 277238016. Its totient is φ = 33078528.

The previous prime is 118533193. The next prime is 118533203. The reversal of 118533198 is 891335811.

It is an interprime number because it is at equal distance from previous prime (118533193) and next prime (118533203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118533193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31011 + ... + 34622.

It is an arithmetic number, because the mean of its divisors is an integer number (8663688).

Almost surely, 2^118533198 is an apocalyptic number.

118533198 is an abundant number, since it is smaller than the sum of its proper divisors (158704818).

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

118533198 is a wasteful number, since it uses less digits than its factorization.

118533198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65688.

The product of its digits is 25920, while the sum is 39.

The square root of 118533198 is about 10887.2952563986. The cubic root of 118533198 is about 491.2244788586.

It can be divided in two parts, 11853 and 3198, that added together give a palindrome (15051).

The spelling of 118533198 in words is "one hundred eighteen million, five hundred thirty-three thousand, one hundred ninety-eight".