220565113166 has 8 divisors (see below), whose sum is σ = 334833786504. Its totient is φ = 108953851000.

The previous prime is 220565113163. The next prime is 220565113169. The reversal of 220565113166 is 661311565022.

220565113166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220565113163) and next prime (220565113169).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220565113163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664352585 + ... + 664352916.

It is an arithmetic number, because the mean of its divisors is an integer number (41854223313).

Almost surely, 2^220565113166 is an apocalyptic number.

220565113166 is a deficient number, since it is larger than the sum of its proper divisors (114268673338).

220565113166 is a wasteful number, since it uses less digits than its factorization.

220565113166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328705586.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 220565113166 its reverse (661311565022), we get a palindrome (881876678188).

The spelling of 220565113166 in words is "two hundred twenty billion, five hundred sixty-five million, one hundred thirteen thousand, one hundred sixty-six".