16271 has 4 divisors (see below), whose sum is σ = 16632. Its totient is φ = 15912.

The previous prime is 16267. The next prime is 16273. The reversal of 16271 is 17261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17261 = 41 ⋅421.

It is a cyclic number.

It is not a de Polignac number, because 16271 - 2² = 16267 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 206.

It is an arithmetic number, because the mean of its divisors is an integer number (4158).

2¹⁶²⁷¹ is an apocalyptic number.

16271 is a deficient number, since it is larger than the sum of its proper divisors (361).

16271 is an equidigital number, since it uses as much as digits as its factorization.

16271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 84, while the sum is 17.

The square root of 16271 is about 127.5578300223. The cubic root of 16271 is about 25.3398913462.

Subtracting 16271 from its reverse (17261), we obtain a triangular number (990 = T₄₄).

The spelling of 16271 in words is "sixteen thousand, two hundred seventy-one".