163328223744 has 720 divisors, whose sum is σ = 578004755328. Its totient is φ = 45900546048.

The previous prime is 163328223731. The next prime is 163328223781. The reversal of 163328223744 is 447322823361.

163328223744 is a `hidden beast` number, since 1 + 6 + 332 + 82 + 237 + 4 + 4 = 666.

163328223744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163328223744² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 163328223744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 445035849 + ... + 445036215.

Almost surely, 2^163328223744 is an apocalyptic number.

163328223744 is a gapful number since it is divisible by the number (14) 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 163328223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289002377664).

163328223744 is an abundant number, since it is smaller than the sum of its proper divisors (414676531584).

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

163328223744 is an frugal number, since it uses more digits than its factorization.

163328223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 452 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 163328223744 in words is "one hundred sixty-three billion, three hundred twenty-eight million, two hundred twenty-three thousand, seven hundred forty-four".