163503116560 has 320 divisors, whose sum is σ = 451397537280. Its totient is φ = 53926871040.

The previous prime is 163503116501. The next prime is 163503116563. The reversal of 163503116560 is 65611305361.

It is not an unprimeable number, because it can be changed into a prime (163503116563) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 431406451 + ... + 431406829.

It is an arithmetic number, because the mean of its divisors is an integer number (1410617304).

Almost surely, 2^163503116560 is an apocalyptic number.

163503116560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163503116560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225698768640).

163503116560 is an abundant number, since it is smaller than the sum of its proper divisors (287894420720).

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

163503116560 is a wasteful number, since it uses less digits than its factorization.

163503116560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 163503116560 in words is "one hundred sixty-three billion, five hundred three million, one hundred sixteen thousand, five hundred sixty".