6545562655456 has 288 divisors, whose sum is σ = 14921143017984. Its totient is φ = 2818924416000.

The previous prime is 6545562655417. The next prime is 6545562655459.

6545562655456 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545562655459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8646713830 + ... + 8646714586.

It is an arithmetic number, because the mean of its divisors is an integer number (51809524368).

Almost surely, 2^{6545562655456} 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 6545562655456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7460571508992).

6545562655456 is an abundant number, since it is smaller than the sum of its proper divisors (8375580362528).

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

6545562655456 is a wasteful number, since it uses less digits than its factorization.

6545562655456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1587 counting only the distinct ones).

The product of its digits is 648000000, while the sum is 64.

The spelling of 6545562655456 in words is "six trillion, five hundred forty-five billion, five hundred sixty-two million, six hundred fifty-five thousand, four hundred fifty-six".