16891114843 has 2 divisors, whose sum is σ = 16891114844. Its totient is φ = 16891114842.

The previous prime is 16891114841. The next prime is 16891114859. The reversal of 16891114843 is 34841119861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16891114843 - 2¹ = 16891114841 is a prime.

Together with 16891114841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16891114793 and 16891114802.

It is not a weakly prime, because it can be changed into another prime (16891114841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8445557421 + 8445557422.

It is an arithmetic number, because the mean of its divisors is an integer number (8445557422).

Almost surely, 2^16891114843 is an apocalyptic number.

16891114843 is a deficient number, since it is larger than the sum of its proper divisors (1).

16891114843 is an equidigital number, since it uses as much as digits as its factorization.

16891114843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 46.

The spelling of 16891114843 in words is "sixteen billion, eight hundred ninety-one million, one hundred fourteen thousand, eight hundred forty-three".