73166 has 4 divisors (see below), whose sum is σ = 109752. Its totient is φ = 36582.

The previous prime is 73141. The next prime is 73181. The reversal of 73166 is 66137.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18290 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (27438).

2⁷³¹⁶⁶ is an apocalyptic number.

73166 is a deficient number, since it is larger than the sum of its proper divisors (36586).

73166 is a wasteful number, since it uses less digits than its factorization.

73166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585.

The product of its digits is 756, while the sum is 23.

The square root of 73166 is about 270.4921440634. The cubic root of 73166 is about 41.8250469911.

It can be divided in two parts, 731 and 66, that added together give a palindrome (797).

The spelling of 73166 in words is "seventy-three thousand, one hundred sixty-six".