165112000 has 56 divisors (see below), whose sum is σ = 408919680. Its totient is φ = 66041600.

The previous prime is 165111997. The next prime is 165112037. The reversal of 165112000 is 211561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320 + ... + 18319.

Almost surely, 2^165112000 is an apocalyptic number.

165112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165112000 is an abundant number, since it is smaller than the sum of its proper divisors (243807680).

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

165112000 is an equidigital number, since it uses as much as digits as its factorization.

165112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666 (or 20646 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 165112000 is about 12849.5914331935. The cubic root of 165112000 is about 548.6047278480.

Adding to 165112000 its reverse (211561), we get a palindrome (165323561).

The spelling of 165112000 in words is "one hundred sixty-five million, one hundred twelve thousand".