16818103 has 2 divisors, whose sum is σ = 16818104. Its totient is φ = 16818102.

The previous prime is 16818079. The next prime is 16818121. The reversal of 16818103 is 30181861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16818103 - 2¹⁷ = 16687031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16818133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8409051 + 8409052.

It is an arithmetic number, because the mean of its divisors is an integer number (8409052).

Almost surely, 2^16818103 is an apocalyptic number.

16818103 is a deficient number, since it is larger than the sum of its proper divisors (1).

16818103 is an equidigital number, since it uses as much as digits as its factorization.

16818103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 16818103 is about 4100.9880516773. The cubic root of 16818103 is about 256.2077933262.

Adding to 16818103 its reverse (30181861), we get a palindrome (46999964).

The spelling of 16818103 in words is "sixteen million, eight hundred eighteen thousand, one hundred three".