16434044155271 has 2 divisors, whose sum is σ = 16434044155272. Its totient is φ = 16434044155270.

The previous prime is 16434044155129. The next prime is 16434044155273. The reversal of 16434044155271 is 17255144043461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16434044155271 - 2¹⁰ = 16434044154247 is a prime.

It is a Sophie Germain prime.

Together with 16434044155273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434044155273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217022077635 + 8217022077636.

It is an arithmetic number, because the mean of its divisors is an integer number (8217022077636).

Almost surely, 2^{16434044155271} is an apocalyptic number.

16434044155271 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434044155271 is an equidigital number, since it uses as much as digits as its factorization.

16434044155271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 16434044155271 in words is "sixteen trillion, four hundred thirty-four billion, forty-four million, one hundred fifty-five thousand, two hundred seventy-one".