164506223 has 8 divisors (see below), whose sum is σ = 191554848. Its totient is φ = 138344544.

The previous prime is 164506217. The next prime is 164506247. The reversal of 164506223 is 322605461.

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 164506223 - 2⁴ = 164506207 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 (164506253) 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, 221336 + ... + 222077.

It is an arithmetic number, because the mean of its divisors is an integer number (23944356).

Almost surely, 2^164506223 is an apocalyptic number.

164506223 is a deficient number, since it is larger than the sum of its proper divisors (27048625).

164506223 is an equidigital number, since it uses as much as digits as its factorization.

164506223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443473.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164506223 is about 12825.9979338841. The cubic root of 164506223 is about 547.9329830401.

The spelling of 164506223 in words is "one hundred sixty-four million, five hundred six thousand, two hundred twenty-three".