16068309 has 16 divisors (see below), whose sum is σ = 21840000. Its totient is φ = 10506816.

The previous prime is 16068289. The next prime is 16068347. The reversal of 16068309 is 90386061.

It is not a de Polignac number, because 16068309 - 2⁵ = 16068277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16068309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16068359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45867 + ... + 46215.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^16068309 is an apocalyptic number.

It is an amenable number.

16068309 is a deficient number, since it is larger than the sum of its proper divisors (5771691).

16068309 is a wasteful number, since it uses less digits than its factorization.

16068309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16068309 is about 4008.5295308879. The cubic root of 16068309 is about 252.3423006403.

The spelling of 16068309 in words is "sixteen million, sixty-eight thousand, three hundred nine".