16397543162880 has 1760 divisors, whose sum is σ = 69312254520960. Its totient is φ = 3663444049920.

The previous prime is 16397543162851. The next prime is 16397543162921. The reversal of 16397543162880 is 8826134579361.

16397543162880 is a `hidden beast` number, since 1 + 6 + 3 + 9 + 7 + 543 + 1 + 6 + 2 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1760).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3207027204 + ... + 3207032316.

It is an arithmetic number, because the mean of its divisors is an integer number (39381962796).

It is a 1-persistent number, because it is pandigital, but 2⋅16397543162880 = 32795086325760 is not.

Almost surely, 2^{16397543162880} is an apocalyptic number.

16397543162880 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 16397543162880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34656127260480).

16397543162880 is an abundant number, since it is smaller than the sum of its proper divisors (52914711358080).

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

16397543162880 is a wasteful number, since it uses less digits than its factorization.

16397543162880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 16397543162880 in words is "sixteen trillion, three hundred ninety-seven billion, five hundred forty-three million, one hundred sixty-two thousand, eight hundred eighty".