163563447050 has 12 divisors (see below), whose sum is σ = 304228011606. Its totient is φ = 65425378800.

The previous prime is 163563447049. The next prime is 163563447163. The reversal of 163563447050 is 50744365361.

It can be written as a sum of positive squares in 3 ways, for example, as 144942388369 + 18621058681 = 380713^2 + 136459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163563446992 and 163563447010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1635634421 + ... + 1635634520.

Almost surely, 2^163563447050 is an apocalyptic number.

163563447050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163563447050 is a deficient number, since it is larger than the sum of its proper divisors (140664564556).

163563447050 is a wasteful number, since it uses less digits than its factorization.

163563447050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271268953 (or 3271268948 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 163563447050 in words is "one hundred sixty-three billion, five hundred sixty-three million, four hundred forty-seven thousand, fifty".