6561316800606 has 16 divisors (see below), whose sum is σ = 13122805765248. Its totient is φ = 2187076906200.

The previous prime is 6561316800581. The next prime is 6561316800607. The reversal of 6561316800606 is 6060086131656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6561316800607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675400 + ... + 7594971.

It is an arithmetic number, because the mean of its divisors is an integer number (820175360328).

Almost surely, 2^{6561316800606} is an apocalyptic number.

6561316800606 is an abundant number, since it is smaller than the sum of its proper divisors (6561488964642).

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

6561316800606 is a wasteful number, since it uses less digits than its factorization.

6561316800606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347007.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 6561316800606 in words is "six trillion, five hundred sixty-one billion, three hundred sixteen million, eight hundred thousand, six hundred six".