16066839 has 4 divisors (see below), whose sum is σ = 21422456. Its totient is φ = 10711224.

The previous prime is 16066829. The next prime is 16066847. The reversal of 16066839 is 93866061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16066839 - 2⁴ = 16066823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16066797 and 16066806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 2677804 + ... + 2677809.

It is an arithmetic number, because the mean of its divisors is an integer number (5355614).

Almost surely, 2^16066839 is an apocalyptic number.

16066839 is a deficient number, since it is larger than the sum of its proper divisors (5355617).

16066839 is an equidigital number, since it uses as much as digits as its factorization.

16066839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355616.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 16066839 is about 4008.3461676856. The cubic root of 16066839 is about 252.3346052755.

The spelling of 16066839 in words is "sixteen million, sixty-six thousand, eight hundred thirty-nine".