206845666795 has 8 divisors (see below), whose sum is σ = 248673610800. Its totient is φ = 165170659680.

The previous prime is 206845666793. The next prime is 206845666801. The reversal of 206845666795 is 597666548602.

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

It is not a de Polignac number, because 206845666795 - 2¹ = 206845666793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206845666793) 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, 38231245 + ... + 38236654.

It is an arithmetic number, because the mean of its divisors is an integer number (31084201350).

Almost surely, 2^206845666795 is an apocalyptic number.

206845666795 is a deficient number, since it is larger than the sum of its proper divisors (41827944005).

206845666795 is an equidigital number, since it uses as much as digits as its factorization.

206845666795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76468445.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 206845666795 in words is "two hundred six billion, eight hundred forty-five million, six hundred sixty-six thousand, seven hundred ninety-five".