220321321163 has 2 divisors, whose sum is σ = 220321321164. Its totient is φ = 220321321162.

The previous prime is 220321321141. The next prime is 220321321193. The reversal of 220321321163 is 361123123022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220321321163 - 2¹⁸ = 220321059019 is a prime.

It is not a weakly prime, because it can be changed into another prime (220321321193) 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 as a sum of consecutive naturals, namely, 110160660581 + 110160660582.

It is an arithmetic number, because the mean of its divisors is an integer number (110160660582).

Almost surely, 2^220321321163 is an apocalyptic number.

220321321163 is a deficient number, since it is larger than the sum of its proper divisors (1).

220321321163 is an equidigital number, since it uses as much as digits as its factorization.

220321321163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 220321321163 its reverse (361123123022), we get a palindrome (581444444185).

The spelling of 220321321163 in words is "two hundred twenty billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred sixty-three".