164344223 has 8 divisors (see below), whose sum is σ = 172843008. Its totient is φ = 155958264.

The previous prime is 164344217. The next prime is 164344249. The reversal of 164344223 is 322443461.

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 164344223 - 2⁴ = 164344207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164344283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25211 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (21605376).

Almost surely, 2^164344223 is an apocalyptic number.

164344223 is a deficient number, since it is larger than the sum of its proper divisors (8498785).

164344223 is a wasteful number, since it uses less digits than its factorization.

164344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56413.

The product of its digits is 13824, while the sum is 29.

The square root of 164344223 is about 12819.6810802765. The cubic root of 164344223 is about 547.7530621934.

Adding to 164344223 its reverse (322443461), we get a palindrome (486787684).

The spelling of 164344223 in words is "one hundred sixty-four million, three hundred forty-four thousand, two hundred twenty-three".