165119 has 4 divisors (see below), whose sum is σ = 166296. Its totient is φ = 163944.

The previous prime is 165103. The next prime is 165133. The reversal of 165119 is 911561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911561 = 7 ⋅130223.

It is a cyclic number.

It is not a de Polignac number, because 165119 - 2⁴ = 165103 is a prime.

It is a super-2 number, since 2×165119² = 54528568322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165094 and 165103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165719) 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 3 ways as a sum of consecutive naturals, for example, 344 + ... + 669.

It is an arithmetic number, because the mean of its divisors is an integer number (41574).

2¹⁶⁵¹¹⁹ is an apocalyptic number.

165119 is a deficient number, since it is larger than the sum of its proper divisors (1177).

165119 is a wasteful number, since it uses less digits than its factorization.

165119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its digits is 270, while the sum is 23.

The square root of 165119 is about 406.3483727050. The cubic root of 165119 is about 54.8612480523.

The spelling of 165119 in words is "one hundred sixty-five thousand, one hundred nineteen".