165374 has 8 divisors (see below), whose sum is σ = 270648. Its totient is φ = 75160.

The previous prime is 165367. The next prime is 165379. The reversal of 165374 is 473561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165379) by changing a digit.

165374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (33831).

2¹⁶⁵³⁷⁴ is an apocalyptic number.

165374 is a deficient number, since it is larger than the sum of its proper divisors (105274).

165374 is a wasteful number, since it uses less digits than its factorization.

165374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530.

The product of its digits is 2520, while the sum is 26.

The square root of 165374 is about 406.6620218314. The cubic root of 165374 is about 54.8894750135.

The spelling of 165374 in words is "one hundred sixty-five thousand, three hundred seventy-four".