16804111 has 2 divisors, whose sum is σ = 16804112. Its totient is φ = 16804110.

The previous prime is 16804103. The next prime is 16804153. The reversal of 16804111 is 11140861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16804111 - 2³ = 16804103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16804171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8402055 + 8402056.

It is an arithmetic number, because the mean of its divisors is an integer number (8402056).

Almost surely, 2^16804111 is an apocalyptic number.

16804111 is a deficient number, since it is larger than the sum of its proper divisors (1).

16804111 is an equidigital number, since it uses as much as digits as its factorization.

16804111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 16804111 is about 4099.2817663586. The cubic root of 16804111 is about 256.1367220118.

Adding to 16804111 its reverse (11140861), we get a palindrome (27944972).

The spelling of 16804111 in words is "sixteen million, eight hundred four thousand, one hundred eleven".