163563423417 has 32 divisors (see below), whose sum is σ = 246353339520. Its totient is φ = 107226504000.

The previous prime is 163563423403. The next prime is 163563423451. The reversal of 163563423417 is 714324365361.

163563423417 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 634 + 2 + 3 + 4 + 1 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-163563423417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163563423497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7600042 + ... + 7621532.

It is an arithmetic number, because the mean of its divisors is an integer number (7698541860).

Almost surely, 2^163563423417 is an apocalyptic number.

It is an amenable number.

163563423417 is a deficient number, since it is larger than the sum of its proper divisors (82789916103).

163563423417 is a wasteful number, since it uses less digits than its factorization.

163563423417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26182 (or 26176 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

Adding to 163563423417 its reverse (714324365361), we get a palindrome (877887788778).

The spelling of 163563423417 in words is "one hundred sixty-three billion, five hundred sixty-three million, four hundred twenty-three thousand, four hundred seventeen".