163563613115 has 16 divisors (see below), whose sum is σ = 225114102720. Its totient is φ = 111758760960.

The previous prime is 163563613093. The next prime is 163563613181. The reversal of 163563613115 is 511316365361.

It is a de Polignac number, because none of the positive numbers 2^k-163563613115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305550 + ... + 8325219.

It is an arithmetic number, because the mean of its divisors is an integer number (14069631420).

Almost surely, 2^163563613115 is an apocalyptic number.

163563613115 is a deficient number, since it is larger than the sum of its proper divisors (61550489605).

163563613115 is a wasteful number, since it uses less digits than its factorization.

163563613115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16631062.

The product of its digits is 145800, while the sum is 41.

Adding to 163563613115 its reverse (511316365361), we get a palindrome (674879978476).

The spelling of 163563613115 in words is "one hundred sixty-three billion, five hundred sixty-three million, six hundred thirteen thousand, one hundred fifteen".