164663 has 2 divisors, whose sum is σ = 164664. Its totient is φ = 164662.

The previous prime is 164653. The next prime is 164677. The reversal of 164663 is 366461.

164663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (366461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164663 - 2⁶ = 164599 is a prime.

It is a super-2 number, since 2×164663² = 54227807138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82331 + 82332.

It is an arithmetic number, because the mean of its divisors is an integer number (82332).

2¹⁶⁴⁶⁶³ is an apocalyptic number.

164663 is a deficient number, since it is larger than the sum of its proper divisors (1).

164663 is an equidigital number, since it uses as much as digits as its factorization.

164663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 164663 is about 405.7868898819. The cubic root of 164663 is about 54.8106990672.

The spelling of 164663 in words is "one hundred sixty-four thousand, six hundred sixty-three".