6560448951985 has 16 divisors (see below), whose sum is σ = 8040200113152. Its totient is φ = 5136589374400.

The previous prime is 6560448951983. The next prime is 6560448952003. The reversal of 6560448951985 is 5891598440656.

It is not a de Polignac number, because 6560448951985 - 2¹ = 6560448951983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6560448951983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12822375 + ... + 13324195.

It is an arithmetic number, because the mean of its divisors is an integer number (502512507072).

Almost surely, 2^{6560448951985} is an apocalyptic number.

It is an amenable number.

6560448951985 is a deficient number, since it is larger than the sum of its proper divisors (1479751161167).

6560448951985 is a wasteful number, since it uses less digits than its factorization.

6560448951985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557504.

The product of its (nonzero) digits is 373248000, while the sum is 70.

The spelling of 6560448951985 in words is "six trillion, five hundred sixty billion, four hundred forty-eight million, nine hundred fifty-one thousand, nine hundred eighty-five".