164531227 has 8 divisors (see below), whose sum is σ = 188113376. Its totient is φ = 140968512.

The previous prime is 164531221. The next prime is 164531243. The reversal of 164531227 is 722135461.

164531227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164531227 - 2⁷ = 164531099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164531221) 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, 29623 + ... + 34735.

It is an arithmetic number, because the mean of its divisors is an integer number (23514172).

Almost surely, 2^164531227 is an apocalyptic number.

164531227 is a deficient number, since it is larger than the sum of its proper divisors (23582149).

164531227 is an equidigital number, since it uses as much as digits as its factorization.

164531227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its digits is 10080, while the sum is 31.

The square root of 164531227 is about 12826.9726358171. The cubic root of 164531227 is about 547.9607425214.

Adding to 164531227 its reverse (722135461), we get a palindrome (886666688).

The spelling of 164531227 in words is "one hundred sixty-four million, five hundred thirty-one thousand, two hundred twenty-seven".