164500507 has 2 divisors, whose sum is σ = 164500508. Its totient is φ = 164500506.

The previous prime is 164500489. The next prime is 164500543. The reversal of 164500507 is 705005461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164500507 - 2⁷ = 164500379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164500607) 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 as a sum of consecutive naturals, namely, 82250253 + 82250254.

It is an arithmetic number, because the mean of its divisors is an integer number (82250254).

Almost surely, 2^164500507 is an apocalyptic number.

164500507 is a deficient number, since it is larger than the sum of its proper divisors (1).

164500507 is an equidigital number, since it uses as much as digits as its factorization.

164500507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 164500507 is about 12825.7751032832. The cubic root of 164500507 is about 547.9266367327.

Adding to 164500507 its reverse (705005461), we get a palindrome (869505968).

The spelling of 164500507 in words is "one hundred sixty-four million, five hundred thousand, five hundred seven".