165050 has 12 divisors (see below), whose sum is σ = 307086. Its totient is φ = 66000.

The previous prime is 165049. The next prime is 165059. The reversal of 165050 is 50561.

It can be written as a sum of positive squares in 3 ways, for example, as 97969 + 67081 = 313^2 + 259^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (165059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601 + ... + 1700.

2¹⁶⁵⁰⁵⁰ is an apocalyptic number.

165050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165050 is a deficient number, since it is larger than the sum of its proper divisors (142036).

165050 is a wasteful number, since it uses less digits than its factorization.

165050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 165050 is about 406.2634613154. The cubic root of 165050 is about 54.8536051734.

The spelling of 165050 in words is "one hundred sixty-five thousand, fifty".