16066859 has 2 divisors, whose sum is σ = 16066860. Its totient is φ = 16066858.

The previous prime is 16066847. The next prime is 16066873. The reversal of 16066859 is 95866061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16066859 is a prime.

It is a super-3 number, since 3×16066859³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16066829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033429 + 8033430.

It is an arithmetic number, because the mean of its divisors is an integer number (8033430).

Almost surely, 2^16066859 is an apocalyptic number.

16066859 is a deficient number, since it is larger than the sum of its proper divisors (1).

16066859 is an equidigital number, since it uses as much as digits as its factorization.

16066859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 16066859 is about 4008.3486624794. The cubic root of 16066859 is about 252.3347099775.

The spelling of 16066859 in words is "sixteen million, sixty-six thousand, eight hundred fifty-nine".