Adding to 164400 its reverse (4461), we get a palindrome (168861).
It is a tau number, because it is divible by the number of its divisors (60).
It is a self number, because there is not a number n which added to its sum of digits gives 164400.
It is an unprimeable number.
164400 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2164400 is an apocalyptic number.
164400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 164400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164400 is a wasteful number, since it uses less digits than its factorization.
164400 is an odious number, because the sum of its binary digits is odd.
The square root of 164400 is about 405.4626986543. The cubic root of 164400 is about 54.7815022726.
The spelling of 164400 in words is "one hundred sixty-four thousand, four hundred".