163563423416 has 32 divisors (see below), whose sum is σ = 338839835040. Its totient is φ = 73624455168.

The previous prime is 163563423403. The next prime is 163563423451. The reversal of 163563423416 is 614324365361.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26141921 + ... + 26148176.

It is an arithmetic number, because the mean of its divisors is an integer number (10588744845).

Almost surely, 2^163563423416 is an apocalyptic number.

It is an amenable number.

163563423416 is an abundant number, since it is smaller than the sum of its proper divisors (175276411624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163563423416 is a wasteful number, since it uses less digits than its factorization.

163563423416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52290143 (or 52290139 counting only the distinct ones).

The product of its digits is 933120, while the sum is 44.

Adding to 163563423416 its reverse (614324365361), we get a palindrome (777887788777).

The spelling of 163563423416 in words is "one hundred sixty-three billion, five hundred sixty-three million, four hundred twenty-three thousand, four hundred sixteen".