163563106040 has 32 divisors (see below), whose sum is σ = 370144270080. Its totient is φ = 65047059072.

The previous prime is 163563105997. The next prime is 163563106061. The reversal of 163563106040 is 40601365361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11811224 + ... + 11825063.

It is an arithmetic number, because the mean of its divisors is an integer number (11567008440).

Almost surely, 2^163563106040 is an apocalyptic number.

163563106040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163563106040 is an abundant number, since it is smaller than the sum of its proper divisors (206581164040).

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

163563106040 is a wasteful number, since it uses less digits than its factorization.

163563106040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636471 (or 23636467 counting only the distinct ones).

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

The spelling of 163563106040 in words is "one hundred sixty-three billion, five hundred sixty-three million, one hundred six thousand, forty".