16857103 has 2 divisors, whose sum is σ = 16857104. Its totient is φ = 16857102.

The previous prime is 16857097. The next prime is 16857107. The reversal of 16857103 is 30175861.

It is a strong prime.

It is an emirp because it is prime and its reverse (30175861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16857103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16857107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8428551 + 8428552.

It is an arithmetic number, because the mean of its divisors is an integer number (8428552).

Almost surely, 2^16857103 is an apocalyptic number.

16857103 is a deficient number, since it is larger than the sum of its proper divisors (1).

16857103 is an equidigital number, since it uses as much as digits as its factorization.

16857103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 16857103 is about 4105.7402499428. The cubic root of 16857103 is about 256.4056830686.

The spelling of 16857103 in words is "sixteen million, eight hundred fifty-seven thousand, one hundred three".