16065919 has 2 divisors, whose sum is σ = 16065920. Its totient is φ = 16065918.

The previous prime is 16065911. The next prime is 16065923. The reversal of 16065919 is 91956061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16065919 - 2³ = 16065911 is a prime.

It is a super-2 number, since 2×16065919² = 516227506629122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16065911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8032959 + 8032960.

It is an arithmetic number, because the mean of its divisors is an integer number (8032960).

Almost surely, 2^16065919 is an apocalyptic number.

16065919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16065919 is an equidigital number, since it uses as much as digits as its factorization.

16065919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 16065919 is about 4008.2314054954. The cubic root of 16065919 is about 252.3297888901.

The spelling of 16065919 in words is "sixteen million, sixty-five thousand, nine hundred nineteen".