164223168 has 56 divisors (see below), whose sum is σ = 446269872. Its totient is φ = 53259264.

The previous prime is 164223161. The next prime is 164223173. The reversal of 164223168 is 861322461.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (164223161) 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, 4455 + ... + 18662.

Almost surely, 2^164223168 is an apocalyptic number.

It is an amenable number.

164223168 is an abundant number, since it is smaller than the sum of its proper divisors (282046704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164223168 is a wasteful number, since it uses less digits than its factorization.

164223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169 (or 23159 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 164223168 is about 12814.9587592001. The cubic root of 164223168 is about 547.6185385836.

The spelling of 164223168 in words is "one hundred sixty-four million, two hundred twenty-three thousand, one hundred sixty-eight".