6545882563704 has 352 divisors, whose sum is σ = 21265534085040. Its totient is φ = 1866893184000.

The previous prime is 6545882563681. The next prime is 6545882563739. The reversal of 6545882563704 is 4073652885456.

6545882563704 is a `hidden beast` number, since 6 + 5 + 4 + 5 + 8 + 8 + 256 + 370 + 4 = 666.

It is a congruent number.

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 87 ways as a sum of consecutive naturals, for example, 88300254 + ... + 88374354.

Almost surely, 2^{6545882563704} 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 6545882563704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10632767042520).

6545882563704 is an abundant number, since it is smaller than the sum of its proper divisors (14719651521336).

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

6545882563704 is a wasteful number, since it uses less digits than its factorization.

6545882563704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74165 (or 74134 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 63.

The spelling of 6545882563704 in words is "six trillion, five hundred forty-five billion, eight hundred eighty-two million, five hundred sixty-three thousand, seven hundred four".