164607563 has 2 divisors, whose sum is σ = 164607564. Its totient is φ = 164607562.

The previous prime is 164607539. The next prime is 164607589. The reversal of 164607563 is 365706461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (365706461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164607563 - 2⁸ = 164607307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164607503) 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, 82303781 + 82303782.

It is an arithmetic number, because the mean of its divisors is an integer number (82303782).

Almost surely, 2^164607563 is an apocalyptic number.

164607563 is a deficient number, since it is larger than the sum of its proper divisors (1).

164607563 is an equidigital number, since it uses as much as digits as its factorization.

164607563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 164607563 is about 12829.9478954515. The cubic root of 164607563 is about 548.0454734762.

The spelling of 164607563 in words is "one hundred sixty-four million, six hundred seven thousand, five hundred sixty-three".