8161171 has 4 divisors (see below), whose sum is σ = 8170200. Its totient is φ = 8152144.

The previous prime is 8161121. The next prime is 8161183. The reversal of 8161171 is 1711618.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8161171 - 2¹⁵ = 8128403 is a prime.

It is a Duffinian number.

8161171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8161121) 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 3 ways as a sum of consecutive naturals, for example, 2986 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (2042550).

Almost surely, 2^8161171 is an apocalyptic number.

8161171 is a deficient number, since it is larger than the sum of its proper divisors (9029).

8161171 is a wasteful number, since it uses less digits than its factorization.

8161171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028.

The product of its digits is 336, while the sum is 25.

The square root of 8161171 is about 2856.7763300616. The cubic root of 8161171 is about 201.3341718043.

Adding to 8161171 its reverse (1711618), we get a palindrome (9872789).

The spelling of 8161171 in words is "eight million, one hundred sixty-one thousand, one hundred seventy-one".