206116643262222 has 576 divisors, whose sum is σ = 602508134592000. Its totient is φ = 49410879598080.

The previous prime is 206116643262217. The next prime is 206116643262239. The reversal of 206116643262222 is 222262346611602.

206116643262222 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 16 + 6 + 4 + 3 + 2 + 622 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 54198431773 + ... + 54198435575.

It is an arithmetic number, because the mean of its divisors is an integer number (1046021067000).

Almost surely, 2^{206116643262222} is an apocalyptic number.

206116643262222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 206116643262222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301254067296000).

206116643262222 is an abundant number, since it is smaller than the sum of its proper divisors (396391491329778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206116643262222 is a wasteful number, since it uses less digits than its factorization.

206116643262222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453 (or 6427 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

Adding to 206116643262222 its reverse (222262346611602), we get a palindrome (428378989873824).

The spelling of 206116643262222 in words is "two hundred six trillion, one hundred sixteen billion, six hundred forty-three million, two hundred sixty-two thousand, two hundred twenty-two".