162271 has 4 divisors (see below), whose sum is σ = 163152. Its totient is φ = 161392.

The previous prime is 162269. The next prime is 162277. The reversal of 162271 is 172261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 172261 = 17 ⋅10133.

It is a cyclic number.

It is not a de Polignac number, because 162271 - 2¹ = 162269 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162277) 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 in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (40788).

2¹⁶²²⁷¹ is an apocalyptic number.

162271 is a deficient number, since it is larger than the sum of its proper divisors (881).

162271 is an equidigital number, since it uses as much as digits as its factorization.

162271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its digits is 168, while the sum is 19.

The square root of 162271 is about 402.8287477328. The cubic root of 162271 is about 54.5439983618.

The spelling of 162271 in words is "one hundred sixty-two thousand, two hundred seventy-one".