163607663 has 2 divisors, whose sum is σ = 163607664. Its totient is φ = 163607662.

The previous prime is 163607641. The next prime is 163607681. The reversal of 163607663 is 366706361.

163607663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163607663 - 2⁸ = 163607407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163607693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81803831 + 81803832.

It is an arithmetic number, because the mean of its divisors is an integer number (81803832).

Almost surely, 2^163607663 is an apocalyptic number.

163607663 is a deficient number, since it is larger than the sum of its proper divisors (1).

163607663 is an equidigital number, since it uses as much as digits as its factorization.

163607663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 163607663 is about 12790.9211161667. The cubic root of 163607663 is about 546.9335277899.

The spelling of 163607663 in words is "one hundred sixty-three million, six hundred seven thousand, six hundred sixty-three".