2206600660 has 24 divisors (see below), whose sum is σ = 5055122016. Its totient is φ = 802400160.

The previous prime is 2206600651. The next prime is 2206600661. The reversal of 2206600660 is 660066022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206600661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5014782 + ... + 5015221.

It is an arithmetic number, because the mean of its divisors is an integer number (210630084).

Almost surely, 2^2206600660 is an apocalyptic number.

2206600660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206600660 is an abundant number, since it is smaller than the sum of its proper divisors (2848521356).

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

2206600660 is a wasteful number, since it uses less digits than its factorization.

2206600660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030023 (or 10030021 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2206600660 is about 46974.4681715504. The cubic root of 2206600660 is about 1301.8908696698.

Adding to 2206600660 its reverse (660066022), we get a palindrome (2866666682).

The spelling of 2206600660 in words is "two billion, two hundred six million, six hundred thousand, six hundred sixty".