171171166 has 16 divisors (see below), whose sum is σ = 266801040. Its totient is φ = 82264000.

The previous prime is 171171163. The next prime is 171171167. The reversal of 171171166 is 661171171.

171171166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171171163) 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 in 7 ways as a sum of consecutive naturals, for example, 6666 + ... + 19666.

It is an arithmetic number, because the mean of its divisors is an integer number (16675065).

Almost surely, 2^171171166 is an apocalyptic number.

171171166 is a deficient number, since it is larger than the sum of its proper divisors (95629874).

171171166 is a wasteful number, since it uses less digits than its factorization.

171171166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13259.

The product of its digits is 1764, while the sum is 31.

The square root of 171171166 is about 13083.2398892629. The cubic root of 171171166 is about 555.2350447770.

The spelling of 171171166 in words is "one hundred seventy-one million, one hundred seventy-one thousand, one hundred sixty-six".