164340226 has 8 divisors (see below), whose sum is σ = 247126284. Its totient is φ = 81964800.

The previous prime is 164340223. The next prime is 164340251. The reversal of 164340226 is 622043461.

It can be written as a sum of positive squares in 2 ways, for example, as 134583201 + 29757025 = 11601^2 + 5455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 164340194 and 164340203.

It is not an unprimeable number, because it can be changed into a prime (164340223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101655 + ... + 103258.

Almost surely, 2^164340226 is an apocalyptic number.

164340226 is a deficient number, since it is larger than the sum of its proper divisors (82786058).

164340226 is a wasteful number, since it uses less digits than its factorization.

164340226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205316.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 164340226 is about 12819.5251862150. The cubic root of 164340226 is about 547.7486215409.

Adding to 164340226 its reverse (622043461), we get a palindrome (786383687).

The spelling of 164340226 in words is "one hundred sixty-four million, three hundred forty thousand, two hundred twenty-six".