163003663 has 2 divisors, whose sum is σ = 163003664. Its totient is φ = 163003662.

The previous prime is 163003639. The next prime is 163003681. The reversal of 163003663 is 366300361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163003663 is a prime.

163003663 is a modest number, since divided by 3663 gives 163 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163003063) 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, 81501831 + 81501832.

It is an arithmetic number, because the mean of its divisors is an integer number (81501832).

Almost surely, 2^163003663 is an apocalyptic number.

163003663 is a deficient number, since it is larger than the sum of its proper divisors (1).

163003663 is an equidigital number, since it uses as much as digits as its factorization.

163003663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 163003663 is about 12767.2887881492. The cubic root of 163003663 is about 546.2596489873.

The spelling of 163003663 in words is "one hundred sixty-three million, three thousand, six hundred sixty-three".