206622331066 has 16 divisors (see below), whose sum is σ = 319999034880. Its totient is φ = 99957396240.

The previous prime is 206622331049. The next prime is 206622331129. The reversal of 206622331066 is 660133226602.

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, 55081 + ... + 645196.

It is an arithmetic number, because the mean of its divisors is an integer number (19999939680).

Almost surely, 2^206622331066 is an apocalyptic number.

206622331066 is a deficient number, since it is larger than the sum of its proper divisors (113376703814).

206622331066 is a wasteful number, since it uses less digits than its factorization.

206622331066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705069.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 206622331066 its reverse (660133226602), we get a palindrome (866755557668).

The spelling of 206622331066 in words is "two hundred six billion, six hundred twenty-two million, three hundred thirty-one thousand, sixty-six".