198332638159 has 2 divisors, whose sum is σ = 198332638160. Its totient is φ = 198332638158.

The previous prime is 198332638151. The next prime is 198332638171. The reversal of 198332638159 is 951836233891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198332638159 - 2³ = 198332638151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198332638151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99166319079 + 99166319080.

It is an arithmetic number, because the mean of its divisors is an integer number (99166319080).

Almost surely, 2^198332638159 is an apocalyptic number.

198332638159 is a deficient number, since it is larger than the sum of its proper divisors (1).

198332638159 is an equidigital number, since it uses as much as digits as its factorization.

198332638159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 58.

The spelling of 198332638159 in words is "one hundred ninety-eight billion, three hundred thirty-two million, six hundred thirty-eight thousand, one hundred fifty-nine".