16850117 has 2 divisors, whose sum is σ = 16850118. Its totient is φ = 16850116.

The previous prime is 16850107. The next prime is 16850123. The reversal of 16850117 is 71105861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 8288641 = 2926^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 16850117 - 2¹² = 16846021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16850117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16850107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425058 + 8425059.

It is an arithmetic number, because the mean of its divisors is an integer number (8425059).

Almost surely, 2^16850117 is an apocalyptic number.

It is an amenable number.

16850117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16850117 is an equidigital number, since it uses as much as digits as its factorization.

16850117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 16850117 is about 4104.8894016770. The cubic root of 16850117 is about 256.3702578910.

Adding to 16850117 its reverse (71105861), we get a palindrome (87955978).

The spelling of 16850117 in words is "sixteen million, eight hundred fifty thousand, one hundred seventeen".