163324528741920 has 768 divisors, whose sum is σ = 664936016855040. Its totient is φ = 32751456731136.

The previous prime is 163324528741799. The next prime is 163324528741949. The reversal of 163324528741920 is 29147825423361.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 157210741 + ... + 158246219.

It is an arithmetic number, because the mean of its divisors is an integer number (865802105280).

It is a 1-persistent number, because it is pandigital, but 2⋅163324528741920 = 326649057483840 is not.

Almost surely, 2^{163324528741920} is an apocalyptic number.

163324528741920 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 163324528741920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332468008427520).

163324528741920 is an abundant number, since it is smaller than the sum of its proper divisors (501611488113120).

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

163324528741920 is a wasteful number, since it uses less digits than its factorization.

163324528741920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035697 (or 1035689 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 163324528741920 in words is "one hundred sixty-three trillion, three hundred twenty-four billion, five hundred twenty-eight million, seven hundred forty-one thousand, nine hundred twenty".