16081859 has 2 divisors, whose sum is σ = 16081860. Its totient is φ = 16081858.

The previous prime is 16081837. The next prime is 16081861. The reversal of 16081859 is 95818061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16081859 - 2⁸ = 16081603 is a prime.

Together with 16081861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16081889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8040929 + 8040930.

It is an arithmetic number, because the mean of its divisors is an integer number (8040930).

Almost surely, 2^16081859 is an apocalyptic number.

16081859 is a deficient number, since it is larger than the sum of its proper divisors (1).

16081859 is an equidigital number, since it uses as much as digits as its factorization.

16081859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 16081859 is about 4010.2193206856. The cubic root of 16081859 is about 252.4132120121.

The spelling of 16081859 in words is "sixteen million, eighty-one thousand, eight hundred fifty-nine".