2666996606 has 8 divisors (see below), whose sum is σ = 4045444560. Its totient is φ = 1318515088.

The previous prime is 2666996597. The next prime is 2666996609. The reversal of 2666996606 is 6066996662.

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

It is a super-2 number, since 2×2666996606² = 14225741792831038472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666996609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7491386 + ... + 7491741.

It is an arithmetic number, because the mean of its divisors is an integer number (505680570).

Almost surely, 2^2666996606 is an apocalyptic number.

2666996606 is a deficient number, since it is larger than the sum of its proper divisors (1378447954).

2666996606 is a wasteful number, since it uses less digits than its factorization.

2666996606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14983218.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The square root of 2666996606 is about 51642.9724744810. The cubic root of 2666996606 is about 1386.7797381319.

Adding to 2666996606 its sum of digits (56), we get a palindrome (2666996662).

The spelling of 2666996606 in words is "two billion, six hundred sixty-six million, nine hundred ninety-six thousand, six hundred six".