16042919 has 2 divisors, whose sum is σ = 16042920. Its totient is φ = 16042918.

The previous prime is 16042909. The next prime is 16042921. The reversal of 16042919 is 91924061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16042919 - 2¹² = 16038823 is a prime.

It is a super-2 number, since 2×16042919² = 514750500081122, which contains 22 as substring.

Together with 16042921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16042909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021459 + 8021460.

It is an arithmetic number, because the mean of its divisors is an integer number (8021460).

Almost surely, 2^16042919 is an apocalyptic number.

16042919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042919 is an equidigital number, since it uses as much as digits as its factorization.

16042919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 16042919 is about 4005.3612820818. The cubic root of 16042919 is about 252.2093194495.

It can be divided in two parts, 16042 and 919, that added together give a palindrome (16961).

The spelling of 16042919 in words is "sixteen million, forty-two thousand, nine hundred nineteen".