2666343136 has 24 divisors (see below), whose sum is σ = 5391240120. Its totient is φ = 1297139328.

The previous prime is 2666343073. The next prime is 2666343151. The reversal of 2666343136 is 6313436662.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 1124806 + ... + 1127173.

It is an arithmetic number, because the mean of its divisors is an integer number (224635005).

Almost surely, 2^2666343136 is an apocalyptic number.

It is an amenable number.

2666343136 is an abundant number, since it is smaller than the sum of its proper divisors (2724896984).

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

2666343136 is a wasteful number, since it uses less digits than its factorization.

2666343136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252026 (or 2252018 counting only the distinct ones).

The product of its digits is 279936, while the sum is 40.

The square root of 2666343136 is about 51636.6452822024. The cubic root of 2666343136 is about 1386.6664655243. Note that the first 3 decimals are identical.

Adding to 2666343136 its reverse (6313436662), we get a palindrome (8979779798).

The spelling of 2666343136 in words is "two billion, six hundred sixty-six million, three hundred forty-three thousand, one hundred thirty-six".