165112 has 8 divisors (see below), whose sum is σ = 309600. Its totient is φ = 82552.
The previous prime is 165103. The next prime is 165133. The reversal of 165112 is 211561.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
165112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10312 + ... + 10327.
It is an arithmetic number, because the mean of its divisors is an integer number (38700).
2165112 is an apocalyptic number.
It is an amenable number.
165112 is a deficient number, since it is larger than the sum of its proper divisors (144488).
165112 is a wasteful number, since it uses less digits than its factorization.
165112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20645 (or 20641 counting only the distinct ones).
The product of its digits is 60, while the sum is 16.
The square root of 165112 is about 406.3397593148. The cubic root of 165112 is about 54.8604727848.
Adding to 165112 its reverse (211561), we get a palindrome (376673).
The spelling of 165112 in words is "one hundred sixty-five thousand, one hundred twelve".
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