198568119 has 4 divisors (see below), whose sum is σ = 264757496. Its totient is φ = 132378744.

The previous prime is 198568093. The next prime is 198568127. The reversal of 198568119 is 911865891.

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

It is not a de Polignac number, because 198568119 - 2⁷ = 198567991 is a prime.

It is a super-2 number, since 2×198568119² = 78858595766396322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198568169) 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, 33094684 + ... + 33094689.

It is an arithmetic number, because the mean of its divisors is an integer number (66189374).

Almost surely, 2^198568119 is an apocalyptic number.

198568119 is a deficient number, since it is larger than the sum of its proper divisors (66189377).

198568119 is an equidigital number, since it uses as much as digits as its factorization.

198568119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66189376.

The product of its digits is 155520, while the sum is 48.

The square root of 198568119 is about 14091.4200490937. The cubic root of 198568119 is about 583.4045885927.

The spelling of 198568119 in words is "one hundred ninety-eight million, five hundred sixty-eight thousand, one hundred nineteen".