171120169 has 8 divisors (see below), whose sum is σ = 187646112. Its totient is φ = 154755840.

The previous prime is 171120167. The next prime is 171120179. The reversal of 171120169 is 961021171.

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

It is a cyclic number.

It is not a de Polignac number, because 171120169 - 2¹ = 171120167 is a prime.

It is a super-2 number, since 2×171120169² = 58564224477177122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171120163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38179 + ... + 42424.

It is an arithmetic number, because the mean of its divisors is an integer number (23455764).

Almost surely, 2^171120169 is an apocalyptic number.

It is an amenable number.

171120169 is a deficient number, since it is larger than the sum of its proper divisors (16525943).

171120169 is a wasteful number, since it uses less digits than its factorization.

171120169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80807.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 171120169 is about 13081.2908002230. The cubic root of 171120169 is about 555.1798989354.

The spelling of 171120169 in words is "one hundred seventy-one million, one hundred twenty thousand, one hundred sixty-nine".