6560278990416 has 120 divisors (see below), whose sum is σ = 18385666757640. Its totient is φ = 2183665536000.

The previous prime is 6560278990379. The next prime is 6560278990417. The reversal of 6560278990416 is 6140998720656.

6560278990416 is a `hidden beast` number, since 6 + 5 + 60 + 2 + 78 + 9 + 90 + 416 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10262500416 + 6550016490000 = 101304^2 + 2559300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6560278990417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312666646 + ... + 312687626.

It is an arithmetic number, because the mean of its divisors is an integer number (153213889647).

Almost surely, 2^{6560278990416} is an apocalyptic number.

It is an amenable number.

6560278990416 is an abundant number, since it is smaller than the sum of its proper divisors (11825387767224).

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

6560278990416 is a wasteful number, since it uses less digits than its factorization.

6560278990416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965 (or 23956 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 6560278990416 in words is "six trillion, five hundred sixty billion, two hundred seventy-eight million, nine hundred ninety thousand, four hundred sixteen".