164044223 has 8 divisors (see below), whose sum is σ = 187579392. Its totient is φ = 140534136.

The previous prime is 164044201. The next prime is 164044253. The reversal of 164044223 is 322440461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164044223 - 2¹⁸ = 163782079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164044192 and 164044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164044253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10886 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (23447424).

Almost surely, 2^164044223 is an apocalyptic number.

164044223 is a deficient number, since it is larger than the sum of its proper divisors (23535169).

164044223 is a wasteful number, since it uses less digits than its factorization.

164044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 164044223 is about 12807.9749765527. The cubic root of 164044223 is about 547.4195629764.

Adding to 164044223 its reverse (322440461), we get a palindrome (486484684).

The spelling of 164044223 in words is "one hundred sixty-four million, forty-four thousand, two hundred twenty-three".