16424334191 has 2 divisors, whose sum is σ = 16424334192. Its totient is φ = 16424334190.

The previous prime is 16424334181. The next prime is 16424334211. The reversal of 16424334191 is 19143342461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19143342461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16424334191 - 2²² = 16420139887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424334131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212167095 + 8212167096.

It is an arithmetic number, because the mean of its divisors is an integer number (8212167096).

Almost surely, 2^16424334191 is an apocalyptic number.

16424334191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424334191 is an equidigital number, since it uses as much as digits as its factorization.

16424334191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The spelling of 16424334191 in words is "sixteen billion, four hundred twenty-four million, three hundred thirty-four thousand, one hundred ninety-one".