11818163 has 24 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 9631440.

The previous prime is 11818151. The next prime is 11818181. The reversal of 11818163 is 36181811.

11818163 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11818163 - 2¹⁸ = 11556019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11818463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149558 + ... + 149636.

It is an arithmetic number, because the mean of its divisors is an integer number (601920).

Almost surely, 2^11818163 is an apocalyptic number.

11818163 is a deficient number, since it is larger than the sum of its proper divisors (2627917).

11818163 is an equidigital number, since it uses as much as digits as its factorization.

11818163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 200 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

The square root of 11818163 is about 3437.7555177761. The cubic root of 11818163 is about 227.7805611575.

Adding to 11818163 its reverse (36181811), we get a palindrome (47999974).

It can be divided in two parts, 118 and 18163, that added together give a palindrome (18281).

The spelling of 11818163 in words is "eleven million, eight hundred eighteen thousand, one hundred sixty-three".