164246513 has 2 divisors, whose sum is σ = 164246514. Its totient is φ = 164246512.

The previous prime is 164246491. The next prime is 164246543. The reversal of 164246513 is 315642461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158331889 + 5914624 = 12583^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 164246513 - 2¹² = 164242417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164246513.

It is not a weakly prime, because it can be changed into another prime (164246543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82123256 + 82123257.

It is an arithmetic number, because the mean of its divisors is an integer number (82123257).

Almost surely, 2^164246513 is an apocalyptic number.

It is an amenable number.

164246513 is a deficient number, since it is larger than the sum of its proper divisors (1).

164246513 is an equidigital number, since it uses as much as digits as its factorization.

164246513 is an odious number, because the sum of its binary digits is odd.

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

The square root of 164246513 is about 12815.8695764275. The cubic root of 164246513 is about 547.6444860980.

Adding to 164246513 its reverse (315642461), we get a palindrome (479888974).

The spelling of 164246513 in words is "one hundred sixty-four million, two hundred forty-six thousand, five hundred thirteen".