165

165 = 3 x 5 x 11.

165 is 10100101 in base 2 (binary).

165 is the number of integer partitions of 26 into distinct parts.

165 is the ninth tetrahedral number.

165 is the sum of the divisors of the first 14 integers.

The Tahoe Rim Trail is a 165-mile hiking trail around Lake Tahoe.

Source: WolframAlpha