165514 has 4 divisors (see below), whose sum is σ = 248274.
Its totient is φ = 82756.
The previous prime is 165511. The next prime is 165523. The reversal of 165514 is 415561.
Subtracting 165514 from its reverse (415561), we obtain a cube (250047 = 633).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415561 = 149 ⋅2789.
It can be written as a sum of positive squares in only one way, i.e., 100489 + 65025 = 317^2 + 255^2
It is a plaindrome in base 14.
It is a zygodrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (165511) 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 as a sum of consecutive naturals, namely, 41377 + ... + 41380.
2165514 is an apocalyptic number.
165514 is a deficient number, since it is larger than the sum of its proper divisors (82760).
165514 is an equidigital number, since it uses as much as digits as its factorization.
165514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82759.
The product of its digits is 600, while the sum is 22.
The square root of 165514 is about 406.8341185299.
The cubic root of 165514 is about 54.9049598318.
The spelling of 165514 in words is "one hundred sixty-five thousand, five hundred fourteen".