118219198 has 4 divisors (see below), whose sum is σ = 177328800. Its totient is φ = 59109598.

The previous prime is 118219183. The next prime is 118219201. The reversal of 118219198 is 891912811.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 118219198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29554798 + ... + 29554801.

It is an arithmetic number, because the mean of its divisors is an integer number (44332200).

Almost surely, 2^118219198 is an apocalyptic number.

118219198 is a deficient number, since it is larger than the sum of its proper divisors (59109602).

118219198 is an equidigital number, since it uses as much as digits as its factorization.

118219198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59109601.

The product of its digits is 10368, while the sum is 40.

The square root of 118219198 is about 10872.8652157561. The cubic root of 118219198 is about 490.7903363847.

The spelling of 118219198 in words is "one hundred eighteen million, two hundred nineteen thousand, one hundred ninety-eight".