198475163 has 4 divisors (see below), whose sum is σ = 198525360. Its totient is φ = 198424968.

The previous prime is 198475127. The next prime is 198475177. The reversal of 198475163 is 361574891.

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

It is a cyclic number.

It is not a de Polignac number, because 198475163 - 2¹² = 198471067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198475183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18608 + ... + 27261.

It is an arithmetic number, because the mean of its divisors is an integer number (49631340).

Almost surely, 2^198475163 is an apocalyptic number.

198475163 is a deficient number, since it is larger than the sum of its proper divisors (50197).

198475163 is an equidigital number, since it uses as much as digits as its factorization.

198475163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50196.

The product of its digits is 181440, while the sum is 44.

The square root of 198475163 is about 14088.1213438840. The cubic root of 198475163 is about 583.3135376865.

The spelling of 198475163 in words is "one hundred ninety-eight million, four hundred seventy-five thousand, one hundred sixty-three".