198326060189 has 2 divisors, whose sum is σ = 198326060190. Its totient is φ = 198326060188.

The previous prime is 198326060159. The next prime is 198326060197. The reversal of 198326060189 is 981060623891.

198326060189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177795468964 + 20530591225 = 421658^2 + 143285^2 .

It is an emirp because it is prime and its reverse (981060623891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198326060189 - 2¹⁶ = 198325994653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198326060189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198326060159) 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, 99163030094 + 99163030095.

It is an arithmetic number, because the mean of its divisors is an integer number (99163030095).

Almost surely, 2^198326060189 is an apocalyptic number.

It is an amenable number.

198326060189 is a deficient number, since it is larger than the sum of its proper divisors (1).

198326060189 is an equidigital number, since it uses as much as digits as its factorization.

198326060189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 198326060189 in words is "one hundred ninety-eight billion, three hundred twenty-six million, sixty thousand, one hundred eighty-nine".