164340227 has 8 divisors (see below), whose sum is σ = 167681664. Its totient is φ = 161007808.

The previous prime is 164340223. The next prime is 164340251. The reversal of 164340227 is 722043461.

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 164340227 - 2² = 164340223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164340227.

It is not an unprimeable number, because it can be changed into a prime (164340223) 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, 43943 + ... + 47535.

It is an arithmetic number, because the mean of its divisors is an integer number (20960208).

Almost surely, 2^164340227 is an apocalyptic number.

164340227 is a deficient number, since it is larger than the sum of its proper divisors (3341437).

164340227 is an equidigital number, since it uses as much as digits as its factorization.

164340227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 164340227 is about 12819.5252252180. The cubic root of 164340227 is about 547.7486226519.

Adding to 164340227 its reverse (722043461), we get a palindrome (886383688).

The spelling of 164340227 in words is "one hundred sixty-four million, three hundred forty thousand, two hundred twenty-seven".