164219 has 4 divisors (see below), whose sum is σ = 179160. Its totient is φ = 149280.

The previous prime is 164209. The next prime is 164231. The reversal of 164219 is 912461.

It is a happy number.

164219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164219 is a prime.

It is a super-2 number, since 2×164219² = 53935759922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 164194 and 164203.

It is not an unprimeable number, because it can be changed into a prime (164209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (44790).

2¹⁶⁴²¹⁹ is an apocalyptic number.

164219 is a deficient number, since it is larger than the sum of its proper divisors (14941).

164219 is a wasteful number, since it uses less digits than its factorization.

164219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14940.

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

The square root of 164219 is about 405.2394353959. The cubic root of 164219 is about 54.7613905674.

It can be divided in two parts, 1642 and 19, that added together give a palindrome (1661).

The spelling of 164219 in words is "one hundred sixty-four thousand, two hundred nineteen".