164215336 has 16 divisors (see below), whose sum is σ = 308315700. Its totient is φ = 81997824.

The previous prime is 164215333. The next prime is 164215343. The reversal of 164215336 is 633512461.

It can be written as a sum of positive squares in 2 ways, for example, as 136188900 + 28026436 = 11670^2 + 5294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164215298 and 164215307.

It is not an unprimeable number, because it can be changed into a prime (164215333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7195 + ... + 19498.

Almost surely, 2^164215336 is an apocalyptic number.

It is an amenable number.

164215336 is a deficient number, since it is larger than the sum of its proper divisors (144100364).

164215336 is a wasteful number, since it uses less digits than its factorization.

164215336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27468 (or 27464 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 164215336 is about 12814.6531751741. The cubic root of 164215336 is about 547.6098329168.

Adding to 164215336 its reverse (633512461), we get a palindrome (797727797).

The spelling of 164215336 in words is "one hundred sixty-four million, two hundred fifteen thousand, three hundred thirty-six".