6566225650560 has 384 divisors, whose sum is σ = 24014134216800. Its totient is φ = 1647556558848.

The previous prime is 6566225650541. The next prime is 6566225650619. The reversal of 6566225650560 is 650565226656.

6566225650560 is a `hidden beast` number, since 6 + 5 + 6 + 6 + 2 + 25 + 6 + 50 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 6566225650497 and 6566225650506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530426451 + ... + 530438829.

Almost surely, 2^{6566225650560} is an apocalyptic number.

6566225650560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6566225650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12007067108400).

6566225650560 is an abundant number, since it is smaller than the sum of its proper divisors (17447908566240).

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

6566225650560 is a wasteful number, since it uses less digits than its factorization.

6566225650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838 (or 17823 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 54.

The spelling of 6566225650560 in words is "six trillion, five hundred sixty-six billion, two hundred twenty-five million, six hundred fifty thousand, five hundred sixty".