16808845 has 8 divisors (see below), whose sum is σ = 20600064. Its totient is φ = 13160784.

The previous prime is 16808833. The next prime is 16808881. The reversal of 16808845 is 54880861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16808845 - 2¹³ = 16800653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16808798 and 16808807.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35529 + ... + 35998.

It is an arithmetic number, because the mean of its divisors is an integer number (2575008).

Almost surely, 2^16808845 is an apocalyptic number.

It is an amenable number.

16808845 is a deficient number, since it is larger than the sum of its proper divisors (3791219).

16808845 is an equidigital number, since it uses as much as digits as its factorization.

16808845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71579.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 16808845 is about 4099.8591439219. The cubic root of 16808845 is about 256.1607724241.

The spelling of 16808845 in words is "sixteen million, eight hundred eight thousand, eight hundred forty-five".