169171161 has 8 divisors (see below), whose sum is σ = 227631360. Its totient is φ = 111745872.

The previous prime is 169171151. The next prime is 169171169. The reversal of 169171161 is 161171961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 169171161 - 2⁷ = 169171033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169171169) 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 7 ways as a sum of consecutive naturals, for example, 258345 + ... + 258998.

It is an arithmetic number, because the mean of its divisors is an integer number (28453920).

Almost surely, 2^169171161 is an apocalyptic number.

It is an amenable number.

169171161 is a deficient number, since it is larger than the sum of its proper divisors (58460199).

169171161 is a wasteful number, since it uses less digits than its factorization.

169171161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517455.

The product of its digits is 2268, while the sum is 33.

The square root of 169171161 is about 13006.5814494048. The cubic root of 169171161 is about 553.0640674300.

The spelling of 169171161 in words is "one hundred sixty-nine million, one hundred seventy-one thousand, one hundred sixty-one".