16343911 has 2 divisors, whose sum is σ = 16343912. Its totient is φ = 16343910.

The previous prime is 16343903. The next prime is 16343939. The reversal of 16343911 is 11934361.

It is an a-pointer prime, because the next prime (16343939) can be obtained adding 16343911 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (11934361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16343911 - 2³ = 16343903 is a prime.

It is equal to p_1051768 and since 16343911 and 1051768 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16343911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16343111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8171955 + 8171956.

It is an arithmetic number, because the mean of its divisors is an integer number (8171956).

Almost surely, 2^16343911 is an apocalyptic number.

16343911 is a deficient number, since it is larger than the sum of its proper divisors (1).

16343911 is an equidigital number, since it uses as much as digits as its factorization.

16343911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 16343911 is about 4042.7603193858. The cubic root of 16343911 is about 253.7768463916.

The spelling of 16343911 in words is "sixteen million, three hundred forty-three thousand, nine hundred eleven".