164912 has 20 divisors (see below), whose sum is σ = 348936. Its totient is φ = 74880.

The previous prime is 164911. The next prime is 164953. The reversal of 164912 is 219461.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (164911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 644.

2¹⁶⁴⁹¹² is an apocalyptic number.

It is an amenable number.

164912 is an abundant number, since it is smaller than the sum of its proper divisors (184024).

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

164912 is a wasteful number, since it uses less digits than its factorization.

164912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 950 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 164912 is about 406.0935852731. The cubic root of 164912 is about 54.8383130231.

It can be divided in two parts, 1649 and 12, that added together give a palindrome (1661).

The spelling of 164912 in words is "one hundred sixty-four thousand, nine hundred twelve".