6545516960000 has 180 divisors, whose sum is σ = 16634676396492. Its totient is φ = 2568803328000.

The previous prime is 6545516959963. The next prime is 6545516960029. The reversal of 6545516960000 is 696155456.

It can be written as a sum of positive squares in 10 ways, for example, as 3513795238144 + 3031721721856 = 1874512^2 + 1741184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8094062 + ... + 8865938.

Almost surely, 2^{6545516960000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6545516960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8317338198246).

6545516960000 is an abundant number, since it is smaller than the sum of its proper divisors (10089159436492).

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

6545516960000 is an frugal number, since it uses more digits than its factorization.

6545516960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771966 (or 771937 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 6545516960000 in words is "six trillion, five hundred forty-five billion, five hundred sixteen million, nine hundred sixty thousand".