163203320111 has 6 divisors (see below), whose sum is σ = 176723121960. Its totient is φ = 150649218408.

The previous prime is 163203320089. The next prime is 163203320129. The reversal of 163203320111 is 111023302361.

It is not a de Polignac number, because 163203320111 - 2⁶ = 163203320047 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 (163203320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 482849891 + ... + 482850228.

It is an arithmetic number, because the mean of its divisors is an integer number (29453853660).

Almost surely, 2^163203320111 is an apocalyptic number.

163203320111 is a deficient number, since it is larger than the sum of its proper divisors (13519801849).

163203320111 is an equidigital number, since it uses as much as digits as its factorization.

163203320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965700145 (or 965700132 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 163203320111 its reverse (111023302361), we get a palindrome (274226622472).

The spelling of 163203320111 in words is "one hundred sixty-three billion, two hundred three million, three hundred twenty thousand, one hundred eleven".