164226506 has 8 divisors (see below), whose sum is σ = 246400644. Its totient is φ = 82092960.

The previous prime is 164226497. The next prime is 164226527. The reversal of 164226506 is 605622461.

It can be written as a sum of positive squares in 2 ways, for example, as 164070481 + 156025 = 12809^2 + 395^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806 + ... + 18518.

Almost surely, 2^164226506 is an apocalyptic number.

164226506 is a deficient number, since it is larger than the sum of its proper divisors (82174138).

164226506 is a wasteful number, since it uses less digits than its factorization.

164226506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20296.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 164226506 is about 12815.0889969598. The cubic root of 164226506 is about 547.6222488565.

Adding to 164226506 its reverse (605622461), we get a palindrome (769848967).

The spelling of 164226506 in words is "one hundred sixty-four million, two hundred twenty-six thousand, five hundred six".