171171163 has 2 divisors, whose sum is σ = 171171164. Its totient is φ = 171171162.

The previous prime is 171171151. The next prime is 171171167. The reversal of 171171163 is 361171171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171171163 is a prime.

It is not a weakly prime, because it can be changed into another prime (171171167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85585581 + 85585582.

It is an arithmetic number, because the mean of its divisors is an integer number (85585582).

Almost surely, 2^171171163 is an apocalyptic number.

171171163 is a deficient number, since it is larger than the sum of its proper divisors (1).

171171163 is an equidigital number, since it uses as much as digits as its factorization.

171171163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 28.

The square root of 171171163 is about 13083.2397746124. The cubic root of 171171163 is about 555.2350415333.

The spelling of 171171163 in words is "one hundred seventy-one million, one hundred seventy-one thousand, one hundred sixty-three".