16859113 has 2 divisors, whose sum is σ = 16859114. Its totient is φ = 16859112.

The previous prime is 16859107. The next prime is 16859149. The reversal of 16859113 is 31195861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14462809 + 2396304 = 3803^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 16859113 - 2²¹ = 14761961 is a prime.

It is a super-2 number, since 2×16859113² = 568459382293538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16869113) 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, 8429556 + 8429557.

It is an arithmetic number, because the mean of its divisors is an integer number (8429557).

Almost surely, 2^16859113 is an apocalyptic number.

It is an amenable number.

16859113 is a deficient number, since it is larger than the sum of its proper divisors (1).

16859113 is an equidigital number, since it uses as much as digits as its factorization.

16859113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 16859113 is about 4105.9850218918. The cubic root of 16859113 is about 256.4158737271.

The spelling of 16859113 in words is "sixteen million, eight hundred fifty-nine thousand, one hundred thirteen".