163233563 has 2 divisors, whose sum is σ = 163233564. Its totient is φ = 163233562.

The previous prime is 163233557. The next prime is 163233593. The reversal of 163233563 is 365332361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163233563 - 2¹⁰ = 163232539 is a prime.

It is not a weakly prime, because it can be changed into another prime (163233593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81616781 + 81616782.

It is an arithmetic number, because the mean of its divisors is an integer number (81616782).

Almost surely, 2^163233563 is an apocalyptic number.

163233563 is a deficient number, since it is larger than the sum of its proper divisors (1).

163233563 is an equidigital number, since it uses as much as digits as its factorization.

163233563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 32.

The square root of 163233563 is about 12776.2890934731. The cubic root of 163233563 is about 546.5163428054.

The spelling of 163233563 in words is "one hundred sixty-three million, two hundred thirty-three thousand, five hundred sixty-three".