2666345308 has 12 divisors (see below), whose sum is σ = 5090295672. Its totient is φ = 1211975120.

The previous prime is 2666345303. The next prime is 2666345317. The reversal of 2666345308 is 8035436662.

It is a super-2 number, since 2×2666345308² = 14218794602987229728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666345303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30299335 + ... + 30299422.

It is an arithmetic number, because the mean of its divisors is an integer number (424191306).

Almost surely, 2^2666345308 is an apocalyptic number.

It is an amenable number.

2666345308 is a deficient number, since it is larger than the sum of its proper divisors (2423950364).

2666345308 is a wasteful number, since it uses less digits than its factorization.

2666345308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60598772 (or 60598770 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 2666345308 is about 51636.6663137736. Note that the first 3 decimals coincide. The cubic root of 2666345308 is about 1386.6668420498. Note that the first 3 decimals are identical.

The spelling of 2666345308 in words is "two billion, six hundred sixty-six million, three hundred forty-five thousand, three hundred eight".