16408808191 has 2 divisors, whose sum is σ = 16408808192. Its totient is φ = 16408808190.

The previous prime is 16408808173. The next prime is 16408808201. The reversal of 16408808191 is 19180880461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16408808191 - 2³¹ = 14261324543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16408808111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8204404095 + 8204404096.

It is an arithmetic number, because the mean of its divisors is an integer number (8204404096).

Almost surely, 2^16408808191 is an apocalyptic number.

16408808191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16408808191 is an equidigital number, since it uses as much as digits as its factorization.

16408808191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 16408808191 in words is "sixteen billion, four hundred eight million, eight hundred eight thousand, one hundred ninety-one".