198500118 has 32 divisors (see below), whose sum is σ = 402541920. Its totient is φ = 65249280.

The previous prime is 198500101. The next prime is 198500119. The reversal of 198500118 is 811005891.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198500119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167488 + ... + 168668.

It is an arithmetic number, because the mean of its divisors is an integer number (12579435).

Almost surely, 2^198500118 is an apocalyptic number.

198500118 is an abundant number, since it is smaller than the sum of its proper divisors (204041802).

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

198500118 is a wasteful number, since it uses less digits than its factorization.

198500118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 198500118 is about 14089.0069912681. The cubic root of 198500118 is about 583.3379840355.

The spelling of 198500118 in words is "one hundred ninety-eight million, five hundred thousand, one hundred eighteen".