220163663 has 8 divisors (see below), whose sum is σ = 223133568. Its totient is φ = 217211904.

The previous prime is 220163641. The next prime is 220163677. The reversal of 220163663 is 366361022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220163663 - 2¹⁰ = 220162639 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 (220163683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20831 + ... + 29567.

It is an arithmetic number, because the mean of its divisors is an integer number (27891696).

Almost surely, 2^220163663 is an apocalyptic number.

220163663 is a deficient number, since it is larger than the sum of its proper divisors (2969905).

220163663 is a wasteful number, since it uses less digits than its factorization.

220163663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 220163663 is about 14837.9130271073. The cubic root of 220163663 is about 603.8307339309.

It can be divided in two parts, 22016 and 3663, that multiplied together give a palindrome (80644608).

The spelling of 220163663 in words is "two hundred twenty million, one hundred sixty-three thousand, six hundred sixty-three".