164223355 has 16 divisors (see below), whose sum is σ = 202613184. Its totient is φ = 127733760.

The previous prime is 164223347. The next prime is 164223359. The reversal of 164223355 is 553322461.

It is a happy number.

It is not a de Polignac number, because 164223355 - 2³ = 164223347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164223359) 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 15 ways as a sum of consecutive naturals, for example, 22747 + ... + 29083.

It is an arithmetic number, because the mean of its divisors is an integer number (12663324).

Almost surely, 2^164223355 is an apocalyptic number.

164223355 is a deficient number, since it is larger than the sum of its proper divisors (38389829).

164223355 is an equidigital number, since it uses as much as digits as its factorization.

164223355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its digits is 21600, while the sum is 31.

The square root of 164223355 is about 12814.9660553589. The cubic root of 164223355 is about 547.6187464403.

The spelling of 164223355 in words is "one hundred sixty-four million, two hundred twenty-three thousand, three hundred fifty-five".