16871311 has 2 divisors, whose sum is σ = 16871312. Its totient is φ = 16871310.

The previous prime is 16871303. The next prime is 16871333. The reversal of 16871311 is 11317861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16871311 - 2³ = 16871303 is a prime.

It is a super-2 number, since 2×16871311² = 569282269717442, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16871311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16871341) 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, 8435655 + 8435656.

It is an arithmetic number, because the mean of its divisors is an integer number (8435656).

Almost surely, 2^16871311 is an apocalyptic number.

16871311 is a deficient number, since it is larger than the sum of its proper divisors (1).

16871311 is an equidigital number, since it uses as much as digits as its factorization.

16871311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 28.

The square root of 16871311 is about 4107.4701459658. The cubic root of 16871311 is about 256.4776999689.

The spelling of 16871311 in words is "sixteen million, eight hundred seventy-one thousand, three hundred eleven".