171120166 has 8 divisors (see below), whose sum is σ = 293348880. Its totient is φ = 73337208.

The previous prime is 171120163. The next prime is 171120167. The reversal of 171120166 is 661021171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×171120166² = 58564222423735112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 171120166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171120163) 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, 6111421 + ... + 6111448.

It is an arithmetic number, because the mean of its divisors is an integer number (36668610).

Almost surely, 2^171120166 is an apocalyptic number.

171120166 is a deficient number, since it is larger than the sum of its proper divisors (122228714).

171120166 is a wasteful number, since it uses less digits than its factorization.

171120166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222878.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 171120166 is about 13081.2906855555. The cubic root of 171120166 is about 555.1798956910.

The spelling of 171120166 in words is "one hundred seventy-one million, one hundred twenty thousand, one hundred sixty-six".