171230166 has 64 divisors (see below), whose sum is σ = 403468800. Its totient is φ = 53677728.

The previous prime is 171230161. The next prime is 171230177. The reversal of 171230166 is 661032171.

171230166 is digitally balanced in base 2 and base 3, because in such bases 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171230161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160551 + ... + 161613.

It is an arithmetic number, because the mean of its divisors is an integer number (6304200).

Almost surely, 2^171230166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171230166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201734400).

171230166 is an abundant number, since it is smaller than the sum of its proper divisors (232238634).

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

171230166 is a wasteful number, since it uses less digits than its factorization.

171230166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 171230166 is about 13085.4944881728. The cubic root of 171230166 is about 555.2988310352.

It can be divided in two parts, 171230 and 166, that added together give a square (171396 = 414²).

The spelling of 171230166 in words is "one hundred seventy-one million, two hundred thirty thousand, one hundred sixty-six".