173160666 has 80 divisors (see below), whose sum is σ = 455533056. Its totient is φ = 48125664.

The previous prime is 173160641. The next prime is 173160667. The reversal of 173160666 is 666061371.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 173160666.

It is not an unprimeable number, because it can be changed into a prime (173160667) 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 39 ways as a sum of consecutive naturals, for example, 39895 + ... + 44021.

Almost surely, 2^173160666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173160666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227766528).

173160666 is an abundant number, since it is smaller than the sum of its proper divisors (282372390).

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

173160666 is a wasteful number, since it uses less digits than its factorization.

173160666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 173160666 is about 13159.0526254742. The cubic root of 173160666 is about 557.3779053882.

The spelling of 173160666 in words is "one hundred seventy-three million, one hundred sixty thousand, six hundred sixty-six".