206606425621013 has 8 divisors (see below), whose sum is σ = 225389041399296. Its totient is φ = 187823845417600.

The previous prime is 206606425621007. The next prime is 206606425621027. The reversal of 206606425621013 is 310126524606602.

It is a happy number.

206606425621013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206606425621013 - 2²⁰ = 206606424572437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206606425621313) 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, 4071308 + ... + 20731338.

It is an arithmetic number, because the mean of its divisors is an integer number (28173630174912).

Almost surely, 2^{206606425621013} is an apocalyptic number.

It is an amenable number.

206606425621013 is a deficient number, since it is larger than the sum of its proper divisors (18782615778283).

206606425621013 is a wasteful number, since it uses less digits than its factorization.

206606425621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17787435.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 206606425621013 in words is "two hundred six trillion, six hundred six billion, four hundred twenty-five million, six hundred twenty-one thousand, thirteen".