16823065 has 16 divisors (see below), whose sum is σ = 23304960. Its totient is φ = 11419200.

The previous prime is 16823063. The next prime is 16823077. The reversal of 16823065 is 56032861.

It is not a de Polignac number, because 16823065 - 2¹ = 16823063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16823063) 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, 1156 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^16823065 is an apocalyptic number.

It is an amenable number.

16823065 is a deficient number, since it is larger than the sum of its proper divisors (6481895).

16823065 is a wasteful number, since it uses less digits than its factorization.

16823065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16823065 is about 4101.5929832201. The cubic root of 16823065 is about 256.2329879644.

The spelling of 16823065 in words is "sixteen million, eight hundred twenty-three thousand, sixty-five".