165359 has 8 divisors (see below), whose sum is σ = 178848. Its totient is φ = 152320.

The previous prime is 165349. The next prime is 165367. The reversal of 165359 is 953561.

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

It is not a de Polignac number, because 165359 - 2⁴ = 165343 is a prime.

It is a Duffinian number.

Its product of digits (4050) is a multiple of the sum of its prime divisors (225).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1139 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (22356).

2¹⁶⁵³⁵⁹ is an apocalyptic number.

165359 is a deficient number, since it is larger than the sum of its proper divisors (13489).

165359 is a wasteful number, since it uses less digits than its factorization.

165359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 4050, while the sum is 29.

The square root of 165359 is about 406.6435785796. The cubic root of 165359 is about 54.8878154076.

The spelling of 165359 in words is "one hundred sixty-five thousand, three hundred fifty-nine".