165012 has 12 divisors (see below), whose sum is σ = 385056. Its totient is φ = 55000.

The previous prime is 165001. The next prime is 165037. The reversal of 165012 is 210561.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 164982 and 165000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6864 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (32088).

2¹⁶⁵⁰¹² is an apocalyptic number.

165012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165012 is an abundant number, since it is smaller than the sum of its proper divisors (220044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165012 is a wasteful number, since it uses less digits than its factorization.

165012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13758 (or 13756 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 165012 is about 406.2166909422. The cubic root of 165012 is about 54.8493951422.

Adding to 165012 its reverse (210561), we get a palindrome (375573).

The spelling of 165012 in words is "one hundred sixty-five thousand, twelve".