163794353280 has 256 divisors, whose sum is σ = 541181122560. Its totient is φ = 42109562880.

The previous prime is 163794353273. The next prime is 163794353291. The reversal of 163794353280 is 82353497361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6032535 + ... + 6059625.

It is an arithmetic number, because the mean of its divisors is an integer number (2113988760).

It is a 1-persistent number, because it is pandigital, but 2⋅163794353280 = 327588706560 is not.

Almost surely, 2^163794353280 is an apocalyptic number.

163794353280 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 163794353280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270590561280).

163794353280 is an abundant number, since it is smaller than the sum of its proper divisors (377386769280).

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

163794353280 is a wasteful number, since it uses less digits than its factorization.

163794353280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27227 (or 27215 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 163794353280 in words is "one hundred sixty-three billion, seven hundred ninety-four million, three hundred fifty-three thousand, two hundred eighty".