6567920559647 has 8 divisors (see below), whose sum is σ = 6583726531200. Its totient is φ = 6552117527040.

The previous prime is 6567920559611. The next prime is 6567920559661. The reversal of 6567920559647 is 7469550297656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6567920559647 - 2¹⁶ = 6567920494111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6567920559677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3773447 + ... + 5232087.

It is an arithmetic number, because the mean of its divisors is an integer number (822965816400).

Almost surely, 2^{6567920559647} is an apocalyptic number.

6567920559647 is a deficient number, since it is larger than the sum of its proper divisors (15805971553).

6567920559647 is a wasteful number, since it uses less digits than its factorization.

6567920559647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469473.

The product of its (nonzero) digits is 857304000, while the sum is 71.

The spelling of 6567920559647 in words is "six trillion, five hundred sixty-seven billion, nine hundred twenty million, five hundred fifty-nine thousand, six hundred forty-seven".