6543564576 has 48 divisors (see below), whose sum is σ = 17595815328. Its totient is φ = 2127987200.

The previous prime is 6543564499. The next prime is 6543564619. The reversal of 6543564576 is 6754653456.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827310 + ... + 835181.

It is an arithmetic number, because the mean of its divisors is an integer number (366579486).

Almost surely, 2^6543564576 is an apocalyptic number.

It is an amenable number.

6543564576 is an abundant number, since it is smaller than the sum of its proper divisors (11052250752).

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

6543564576 is a wasteful number, since it uses less digits than its factorization.

6543564576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662545 (or 1662537 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 51.

The square root of 6543564576 is about 80892.3023284663. The cubic root of 6543564576 is about 1870.4156640311.

The spelling of 6543564576 in words is "six billion, five hundred forty-three million, five hundred sixty-four thousand, five hundred seventy-six".