16841189 has 2 divisors, whose sum is σ = 16841190. Its totient is φ = 16841188.

The previous prime is 16841177. The next prime is 16841197. The reversal of 16841189 is 98114861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 8168164 = 2945^2 + 2858^2 .

It is a cyclic number.

It is not a de Polignac number, because 16841189 - 2⁸ = 16840933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16841159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8420594 + 8420595.

It is an arithmetic number, because the mean of its divisors is an integer number (8420595).

Almost surely, 2^16841189 is an apocalyptic number.

It is an amenable number.

16841189 is a deficient number, since it is larger than the sum of its proper divisors (1).

16841189 is an equidigital number, since it uses as much as digits as its factorization.

16841189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 38.

The square root of 16841189 is about 4103.8017739652. The cubic root of 16841189 is about 256.3249708061.

The spelling of 16841189 in words is "sixteen million, eight hundred forty-one thousand, one hundred eighty-nine".