164522516 has 6 divisors (see below), whose sum is σ = 287914410. Its totient is φ = 82261256.

The previous prime is 164522497. The next prime is 164522521. The reversal of 164522516 is 615225461.

It can be written as a sum of positive squares in only one way, i.e., 163072900 + 1449616 = 12770^2 + 1204^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20565311 + ... + 20565318.

It is an arithmetic number, because the mean of its divisors is an integer number (47985735).

Almost surely, 2^164522516 is an apocalyptic number.

It is an amenable number.

164522516 is a deficient number, since it is larger than the sum of its proper divisors (123391894).

164522516 is a wasteful number, since it uses less digits than its factorization.

164522516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41130633 (or 41130631 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 164522516 is about 12826.6330734141. The cubic root of 164522516 is about 547.9510718743.

Adding to 164522516 its reverse (615225461), we get a palindrome (779747977).

The spelling of 164522516 in words is "one hundred sixty-four million, five hundred twenty-two thousand, five hundred sixteen".