16806333 has 4 divisors (see below), whose sum is σ = 22408448. Its totient is φ = 11204220.

The previous prime is 16806323. The next prime is 16806337. The reversal of 16806333 is 33360861.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33360861 = 3 ⋅11120287.

It is not a de Polignac number, because 16806333 - 2⁵ = 16806301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16806333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16806337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801053 + ... + 2801058.

It is an arithmetic number, because the mean of its divisors is an integer number (5602112).

Almost surely, 2^16806333 is an apocalyptic number.

It is an amenable number.

16806333 is a deficient number, since it is larger than the sum of its proper divisors (5602115).

16806333 is an equidigital number, since it uses as much as digits as its factorization.

16806333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602114.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 16806333 is about 4099.5527804872. The cubic root of 16806333 is about 256.1480111285.

The spelling of 16806333 in words is "sixteen million, eight hundred six thousand, three hundred thirty-three".