198164193 has 16 divisors (see below), whose sum is σ = 277984896. Its totient is φ = 125400960.

The previous prime is 198164137. The next prime is 198164203. The reversal of 198164193 is 391461891.

It is not a de Polignac number, because 198164193 - 2⁹ = 198163681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198164123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17221 + ... + 26322.

It is an arithmetic number, because the mean of its divisors is an integer number (17374056).

Almost surely, 2^198164193 is an apocalyptic number.

It is an amenable number.

198164193 is a deficient number, since it is larger than the sum of its proper divisors (79820703).

198164193 is a wasteful number, since it uses less digits than its factorization.

198164193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43624.

The product of its digits is 46656, while the sum is 42.

The square root of 198164193 is about 14077.0804146314. The cubic root of 198164193 is about 583.0087340932.

The spelling of 198164193 in words is "one hundred ninety-eight million, one hundred sixty-four thousand, one hundred ninety-three".