66463 has 2 divisors, whose sum is σ = 66464. Its totient is φ = 66462.

The previous prime is 66457. The next prime is 66467. The reversal of 66463 is 36466.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66463 - 2⁵ = 66431 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33231 + 33232.

It is an arithmetic number, because the mean of its divisors is an integer number (33232).

2⁶⁶⁴⁶³ is an apocalyptic number.

66463 is a deficient number, since it is larger than the sum of its proper divisors (1).

66463 is an equidigital number, since it uses as much as digits as its factorization.

66463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 66463 is about 257.8041892600. The cubic root of 66463 is about 40.5066797904.

It can be divided in two parts, 664 and 63, that added together give a palindrome (727).

The spelling of 66463 in words is "sixty-six thousand, four hundred sixty-three".