271342161 has 12 divisors (see below), whose sum is σ = 397789392. Its totient is φ = 178194456.

The previous prime is 271342153. The next prime is 271342177. The reversal of 271342161 is 161243172.

It is not a de Polignac number, because 271342161 - 2³ = 271342153 is a prime.

It is a super-2 number, since 2×271342161² = 147253136672299842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (271342111) 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 11 ways as a sum of consecutive naturals, for example, 224391 + ... + 225596.

It is an arithmetic number, because the mean of its divisors is an integer number (33149116).

Almost surely, 2^271342161 is an apocalyptic number.

It is an amenable number.

271342161 is a deficient number, since it is larger than the sum of its proper divisors (126447231).

271342161 is a wasteful number, since it uses less digits than its factorization.

271342161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450060 (or 450057 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 271342161 is about 16472.4667551645. The cubic root of 271342161 is about 647.3995996245.

The spelling of 271342161 in words is "two hundred seventy-one million, three hundred forty-two thousand, one hundred sixty-one".