16311419 has 2 divisors, whose sum is σ = 16311420. Its totient is φ = 16311418.

The previous prime is 16311377. The next prime is 16311467. The reversal of 16311419 is 91411361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16311419 - 2¹⁶ = 16245883 is a prime.

It is a super-2 number, since 2×16311419² = 532124779587122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16311719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8155709 + 8155710.

It is an arithmetic number, because the mean of its divisors is an integer number (8155710).

Almost surely, 2^16311419 is an apocalyptic number.

16311419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16311419 is an equidigital number, since it uses as much as digits as its factorization.

16311419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 16311419 is about 4038.7397786933. The cubic root of 16311419 is about 253.6085637908.

The spelling of 16311419 in words is "sixteen million, three hundred eleven thousand, four hundred nineteen".