6543541716 has 48 divisors (see below), whose sum is σ = 15492859200. Its totient is φ = 2149234432.

The previous prime is 6543541709. The next prime is 6543541729. The reversal of 6543541716 is 6171453456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379000 + ... + 395888.

It is an arithmetic number, because the mean of its divisors is an integer number (322767900).

Almost surely, 2^6543541716 is an apocalyptic number.

It is an amenable number.

6543541716 is an abundant number, since it is smaller than the sum of its proper divisors (8949317484).

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

6543541716 is a wasteful number, since it uses less digits than its factorization.

6543541716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368 (or 17366 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 6543541716 is about 80892.1610293606. The cubic root of 6543541716 is about 1870.4134859241.

The spelling of 6543541716 in words is "six billion, five hundred forty-three million, five hundred forty-one thousand, seven hundred sixteen".