171157171 has 8 divisors (see below), whose sum is σ = 174283200. Its totient is φ = 168038760.

The previous prime is 171157163. The next prime is 171157211. The reversal of 171157171 is 171751171.

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 171157171 - 2³ = 171157163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171157471) 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, 63040 + ... + 65698.

It is an arithmetic number, because the mean of its divisors is an integer number (21785400).

Almost surely, 2^171157171 is an apocalyptic number.

171157171 is a deficient number, since it is larger than the sum of its proper divisors (3126029).

171157171 is a wasteful number, since it uses less digits than its factorization.

171157171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its digits is 1715, while the sum is 31.

The square root of 171157171 is about 13082.7050337459. The cubic root of 171157171 is about 555.2199123097.

The spelling of 171157171 in words is "one hundred seventy-one million, one hundred fifty-seven thousand, one hundred seventy-one".