171066 has 16 divisors (see below), whose sum is σ = 391104. Its totient is φ = 48864.

The previous prime is 171053. The next prime is 171077. The reversal of 171066 is 660171.

171066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 2078.

It is an arithmetic number, because the mean of its divisors is an integer number (24444).

2¹⁷¹⁰⁶⁶ is an apocalyptic number.

171066 is an abundant number, since it is smaller than the sum of its proper divisors (220038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171066 is a wasteful number, since it uses less digits than its factorization.

171066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 171066 is about 413.6012572515. The cubic root of 171066 is about 55.5121311036.

The spelling of 171066 in words is "one hundred seventy-one thousand, sixty-six".