171163159 has 4 divisors (see below), whose sum is σ = 172469880. Its totient is φ = 169856440.

The previous prime is 171163117. The next prime is 171163163. The reversal of 171163159 is 951361171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951361171 = 41 ⋅23203931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171163159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171163169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653164 + ... + 653425.

It is an arithmetic number, because the mean of its divisors is an integer number (43117470).

Almost surely, 2^171163159 is an apocalyptic number.

171163159 is a deficient number, since it is larger than the sum of its proper divisors (1306721).

171163159 is a wasteful number, since it uses less digits than its factorization.

171163159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306720.

The product of its digits is 5670, while the sum is 34.

The square root of 171163159 is about 13082.9338834988. The cubic root of 171163159 is about 555.2263870955.

The spelling of 171163159 in words is "one hundred seventy-one million, one hundred sixty-three thousand, one hundred fifty-nine".