16434191 has 2 divisors, whose sum is σ = 16434192. Its totient is φ = 16434190.

The previous prime is 16434151. The next prime is 16434199. The reversal of 16434191 is 19143461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16434191 - 2¹⁸ = 16172047 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 (16434199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217095 + 8217096.

It is an arithmetic number, because the mean of its divisors is an integer number (8217096).

Almost surely, 2^16434191 is an apocalyptic number.

16434191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434191 is an equidigital number, since it uses as much as digits as its factorization.

16434191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 16434191 is about 4053.9105811549. The cubic root of 16434191 is about 254.2432569443.

The spelling of 16434191 in words is "sixteen million, four hundred thirty-four thousand, one hundred ninety-one".