168850189 has 2 divisors, whose sum is σ = 168850190. Its totient is φ = 168850188.

The previous prime is 168850159. The next prime is 168850219. The reversal of 168850189 is 981058861.

It is a balanced prime because it is at equal distance from previous prime (168850159) and next prime (168850219).

It can be written as a sum of positive squares in only one way, i.e., 159820164 + 9030025 = 12642^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 168850189 - 2⁹ = 168849677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168850159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84425094 + 84425095.

It is an arithmetic number, because the mean of its divisors is an integer number (84425095).

Almost surely, 2^168850189 is an apocalyptic number.

It is an amenable number.

168850189 is a deficient number, since it is larger than the sum of its proper divisors (1).

168850189 is an equidigital number, since it uses as much as digits as its factorization.

168850189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 168850189 is about 12994.2367609645. The cubic root of 168850189 is about 552.7140659545.

The spelling of 168850189 in words is "one hundred sixty-eight million, eight hundred fifty thousand, one hundred eighty-nine".