10663 has 2 divisors, whose sum is σ = 10664. Its totient is φ = 10662.

The previous prime is 10657. The next prime is 10667. The reversal of 10663 is 36601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10663 - 2⁵ = 10631 is a prime.

It is a super-2 number, since 2×10663² = 227399138, which contains 22 as substring.

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 (10667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331 + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (5332).

10663 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663 is an equidigital number, since it uses as much as digits as its factorization.

10663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 10663 is about 103.2618031994. The cubic root of 10663 is about 22.0103257314.

It can be divided in two parts, 106 and 63, that added together give a square (169 = 13²).

The spelling of 10663 in words is "ten thousand, six hundred sixty-three".