163563023375 has 16 divisors (see below), whose sum is σ = 206147725056. Its totient is φ = 129554860000.

The previous prime is 163563023339. The next prime is 163563023381. The reversal of 163563023375 is 573320365361.

It is not a de Polignac number, because 163563023375 - 2⁸ = 163563023119 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6465119 + ... + 6490368.

It is an arithmetic number, because the mean of its divisors is an integer number (12884232816).

Almost surely, 2^163563023375 is an apocalyptic number.

163563023375 is a deficient number, since it is larger than the sum of its proper divisors (42584701681).

163563023375 is a wasteful number, since it uses less digits than its factorization.

163563023375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12955603 (or 12955593 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 44.

The spelling of 163563023375 in words is "one hundred sixty-three billion, five hundred sixty-three million, twenty-three thousand, three hundred seventy-five".