42663163 has 4 divisors (see below), whose sum is σ = 42988968. Its totient is φ = 42337360.

The previous prime is 42663157. The next prime is 42663193. The reversal of 42663163 is 36136624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42663163 - 2⁹ = 42662651 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42663133) 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, 162706 + ... + 162967.

It is an arithmetic number, because the mean of its divisors is an integer number (10747242).

Almost surely, 2^42663163 is an apocalyptic number.

42663163 is a deficient number, since it is larger than the sum of its proper divisors (325805).

42663163 is a wasteful number, since it uses less digits than its factorization.

42663163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325804.

The product of its digits is 15552, while the sum is 31.

The square root of 42663163 is about 6531.7044483044. The cubic root of 42663163 is about 349.4226208366.

Adding to 42663163 its reverse (36136624), we get a palindrome (78799787).

The spelling of 42663163 in words is "forty-two million, six hundred sixty-three thousand, one hundred sixty-three".