271029805161 has 32 divisors (see below), whose sum is σ = 368557580160. Its totient is φ = 177126372864.

The previous prime is 271029805159. The next prime is 271029805213. The reversal of 271029805161 is 161508920172.

It is not a de Polignac number, because 271029805161 - 2¹ = 271029805159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (271029805141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52329870 + ... + 52335048.

It is an arithmetic number, because the mean of its divisors is an integer number (11517424380).

Almost surely, 2^271029805161 is an apocalyptic number.

It is an amenable number.

271029805161 is a deficient number, since it is larger than the sum of its proper divisors (97527774999).

271029805161 is a wasteful number, since it uses less digits than its factorization.

271029805161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 271029805161 in words is "two hundred seventy-one billion, twenty-nine million, eight hundred five thousand, one hundred sixty-one".