206247406366 has 16 divisors (see below), whose sum is σ = 314455276944. Its totient is φ = 101433556224.

The previous prime is 206247406349. The next prime is 206247406439. The reversal of 206247406366 is 663604742602.

206247406366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053325 + ... + 1233688.

It is an arithmetic number, because the mean of its divisors is an integer number (19653454809).

Almost surely, 2^206247406366 is an apocalyptic number.

206247406366 is a deficient number, since it is larger than the sum of its proper divisors (108207870578).

206247406366 is a wasteful number, since it uses less digits than its factorization.

206247406366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287755.

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 206247406366 in words is "two hundred six billion, two hundred forty-seven million, four hundred six thousand, three hundred sixty-six".