206581133340716 has 12 divisors (see below), whose sum is σ = 361753114632840. Its totient is φ = 103223100588480.

The previous prime is 206581133340697. The next prime is 206581133340727. The reversal of 206581133340716 is 617043331185602.

206581133340716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16866513581 + ... + 16866525828.

It is an arithmetic number, because the mean of its divisors is an integer number (30146092886070).

Almost surely, 2^{206581133340716} is an apocalyptic number.

It is an amenable number.

206581133340716 is a deficient number, since it is larger than the sum of its proper divisors (155171981292124).

206581133340716 is a wasteful number, since it uses less digits than its factorization.

206581133340716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733040944 (or 33733040942 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 206581133340716 in words is "two hundred six trillion, five hundred eighty-one billion, one hundred thirty-three million, three hundred forty thousand, seven hundred sixteen".