198343163 has 2 divisors, whose sum is σ = 198343164. Its totient is φ = 198343162.

The previous prime is 198343157. The next prime is 198343169. The reversal of 198343163 is 361343891.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (198343157) and next prime (198343169).

It is a cyclic number.

It is not a de Polignac number, because 198343163 - 2¹⁰ = 198342139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (198343169) 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 as a sum of consecutive naturals, namely, 99171581 + 99171582.

It is an arithmetic number, because the mean of its divisors is an integer number (99171582).

Almost surely, 2^198343163 is an apocalyptic number.

198343163 is a deficient number, since it is larger than the sum of its proper divisors (1).

198343163 is an equidigital number, since it uses as much as digits as its factorization.

198343163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 198343163 is about 14083.4357668859. The cubic root of 198343163 is about 583.1841941091.

The spelling of 198343163 in words is "one hundred ninety-eight million, three hundred forty-three thousand, one hundred sixty-three".