16806073 has 4 divisors (see below), whose sum is σ = 16927120. Its totient is φ = 16685028.

The previous prime is 16806071. The next prime is 16806173. The reversal of 16806073 is 37060861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16806073 - 2¹ = 16806071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16806071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60315 + ... + 60592.

It is an arithmetic number, because the mean of its divisors is an integer number (4231780).

Almost surely, 2^16806073 is an apocalyptic number.

It is an amenable number.

16806073 is a deficient number, since it is larger than the sum of its proper divisors (121047).

16806073 is a wasteful number, since it uses less digits than its factorization.

16806073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121046.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16806073 is about 4099.5210695885. The cubic root of 16806073 is about 256.1466902212.

The spelling of 16806073 in words is "sixteen million, eight hundred six thousand, seventy-three".