6601200540563 has 16 divisors (see below), whose sum is σ = 6998021812320. Its totient is φ = 6216099369984.

The previous prime is 6601200540491. The next prime is 6601200540643. The reversal of 6601200540563 is 3650450021066.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6601200540563 - 2¹⁰ = 6601200539539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6601200540863) 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, 3093656 + ... + 4772117.

It is an arithmetic number, because the mean of its divisors is an integer number (437376363270).

Almost surely, 2^{6601200540563} is an apocalyptic number.

6601200540563 is a deficient number, since it is larger than the sum of its proper divisors (396821271757).

6601200540563 is a wasteful number, since it uses less digits than its factorization.

6601200540563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866518.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 6601200540563 in words is "six trillion, six hundred one billion, two hundred million, five hundred forty thousand, five hundred sixty-three".