163563135053 has 6 divisors (see below), whose sum is σ = 169009567182. Its totient is φ = 158286903960.

The previous prime is 163563135031. The next prime is 163563135067. The reversal of 163563135053 is 350531365361.

It can be written as a sum of positive squares in only one way, i.e., 153611476489 + 9951658564 = 391933^2 + 99758^2 .

It is not a de Polignac number, because 163563135053 - 2⁸ = 163563134797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163563135053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163563125053) 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 in 5 ways as a sum of consecutive naturals, for example, 85099526 + ... + 85101447.

It is an arithmetic number, because the mean of its divisors is an integer number (28168261197).

Almost surely, 2^163563135053 is an apocalyptic number.

It is an amenable number.

163563135053 is a deficient number, since it is larger than the sum of its proper divisors (5446432129).

163563135053 is an equidigital number, since it uses as much as digits as its factorization.

163563135053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170201035 (or 170201004 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 41.

The spelling of 163563135053 in words is "one hundred sixty-three billion, five hundred sixty-three million, one hundred thirty-five thousand, fifty-three".