163105622056 has 96 divisors (see below), whose sum is σ = 351850586400. Its totient is φ = 70649729280.

The previous prime is 163105622047. The next prime is 163105622081. The reversal of 163105622056 is 650226501361.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2718946 + ... + 2778286.

It is an arithmetic number, because the mean of its divisors is an integer number (3665110275).

Almost surely, 2^163105622056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163105622056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175925293200).

163105622056 is an abundant number, since it is smaller than the sum of its proper divisors (188744964344).

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

163105622056 is a wasteful number, since it uses less digits than its factorization.

163105622056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59499 (or 59482 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 163105622056 in words is "one hundred sixty-three billion, one hundred five million, six hundred twenty-two thousand, fifty-six".