6563165223040 has 32 divisors (see below), whose sum is σ = 15690066862860. Its totient is φ = 2625266088960.

The previous prime is 6563165223007. The next prime is 6563165223091. The reversal of 6563165223040 is 403225613656.

It can be written as a sum of positive squares in 2 ways, for example, as 6429226790464 + 133938432576 = 2535592^2 + 365976^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127472191 + ... + 5127473470.

Almost surely, 2^{6563165223040} is an apocalyptic number.

It is an amenable number.

6563165223040 is an abundant number, since it is smaller than the sum of its proper divisors (9126901639820).

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

6563165223040 is a wasteful number, since it uses less digits than its factorization.

6563165223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254945680 (or 10254945668 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 6563165223040 in words is "six trillion, five hundred sixty-three billion, one hundred sixty-five million, two hundred twenty-three thousand, forty".