164720527 has 2 divisors, whose sum is σ = 164720528. Its totient is φ = 164720526.

The previous prime is 164720471. The next prime is 164720533. The reversal of 164720527 is 725027461.

It is a strong prime.

It is an emirp because it is prime and its reverse (725027461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164720527 - 2²⁷ = 30502799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164720492 and 164720501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164720537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82360263 + 82360264.

It is an arithmetic number, because the mean of its divisors is an integer number (82360264).

Almost surely, 2^164720527 is an apocalyptic number.

164720527 is a deficient number, since it is larger than the sum of its proper divisors (1).

164720527 is an equidigital number, since it uses as much as digits as its factorization.

164720527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 164720527 is about 12834.3494965658. The cubic root of 164720527 is about 548.1708124969.

Adding to 164720527 its reverse (725027461), we get a palindrome (889747988).

The spelling of 164720527 in words is "one hundred sixty-four million, seven hundred twenty thousand, five hundred twenty-seven".