163563201431 has 24 divisors (see below), whose sum is σ = 200354831280. Its totient is φ = 132769590912.

The previous prime is 163563201407. The next prime is 163563201463. The reversal of 163563201431 is 134102365361.

It is a de Polignac number, because none of the positive numbers 2^k-163563201431 is a prime.

It is a super-2 number, since 2×163563201431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163563201391 and 163563201400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163563201401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629121 + ... + 2690613.

It is an arithmetic number, because the mean of its divisors is an integer number (8348117970).

Almost surely, 2^163563201431 is an apocalyptic number.

163563201431 is a deficient number, since it is larger than the sum of its proper divisors (36791629849).

163563201431 is a wasteful number, since it uses less digits than its factorization.

163563201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64383 (or 64376 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 163563201431 its reverse (134102365361), we get a palindrome (297665566792).

The spelling of 163563201431 in words is "one hundred sixty-three billion, five hundred sixty-three million, two hundred one thousand, four hundred thirty-one".