163288663 has 4 divisors (see below), whose sum is σ = 165525568. Its totient is φ = 161051760.

The previous prime is 163288613. The next prime is 163288667. The reversal of 163288663 is 366882361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366882361 = 23 ⋅15951407.

It is a cyclic number.

It is not a de Polignac number, because 163288663 - 2¹⁷ = 163157591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163288667) 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 in 3 ways as a sum of consecutive naturals, for example, 1118343 + ... + 1118488.

It is an arithmetic number, because the mean of its divisors is an integer number (41381392).

Almost surely, 2^163288663 is an apocalyptic number.

163288663 is a deficient number, since it is larger than the sum of its proper divisors (2236905).

163288663 is an equidigital number, since it uses as much as digits as its factorization.

163288663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236904.

The product of its digits is 248832, while the sum is 43.

The square root of 163288663 is about 12778.4452497164. The cubic root of 163288663 is about 546.5778286549.

The spelling of 163288663 in words is "one hundred sixty-three million, two hundred eighty-eight thousand, six hundred sixty-three".