165074 has 16 divisors (see below), whose sum is σ = 305088. Its totient is φ = 65232.

The previous prime is 165059. The next prime is 165079. The reversal of 165074 is 470561.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (19068).

2¹⁶⁵⁰⁷⁴ is an apocalyptic number.

165074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165074 is a deficient number, since it is larger than the sum of its proper divisors (140014).

165074 is a wasteful number, since it uses less digits than its factorization.

165074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 165074 is about 406.2929977245. The cubic root of 165074 is about 54.8562638076.

The spelling of 165074 in words is "one hundred sixty-five thousand, seventy-four".