16018859 has 2 divisors, whose sum is σ = 16018860. Its totient is φ = 16018858.

The previous prime is 16018837. The next prime is 16018861. The reversal of 16018859 is 95881061.

It is a strong prime.

It is an emirp because it is prime and its reverse (95881061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16018859 - 2¹² = 16014763 is a prime.

Together with 16018861, 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 (16018819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8009429 + 8009430.

It is an arithmetic number, because the mean of its divisors is an integer number (8009430).

Almost surely, 2^16018859 is an apocalyptic number.

16018859 is a deficient number, since it is larger than the sum of its proper divisors (1).

16018859 is an equidigital number, since it uses as much as digits as its factorization.

16018859 is an odious number, because the sum of its binary digits is odd.

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

The square root of 16018859 is about 4002.3566807570. The cubic root of 16018859 is about 252.0831746525.

The spelling of 16018859 in words is "sixteen million, eighteen thousand, eight hundred fifty-nine".