2666108740 has 12 divisors (see below), whose sum is σ = 5598828396. Its totient is φ = 1066443488.

The previous prime is 2666108737. The next prime is 2666108743. The reversal of 2666108740 is 478016662.

It is an interprime number because it is at equal distance from previous prime (2666108737) and next prime (2666108743).

It can be written as a sum of positive squares in 2 ways, for example, as 334377796 + 2331730944 = 18286^2 + 48288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2666108693 and 2666108702.

It is not an unprimeable number, because it can be changed into a prime (2666108743) by changing a digit.

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, 66652699 + ... + 66652738.

It is an arithmetic number, because the mean of its divisors is an integer number (466569033).

Almost surely, 2^2666108740 is an apocalyptic number.

2666108740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666108740 is an abundant number, since it is smaller than the sum of its proper divisors (2932719656).

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

2666108740 is a wasteful number, since it uses less digits than its factorization.

2666108740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133305446 (or 133305444 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2666108740 is about 51634.3755651213. The cubic root of 2666108740 is about 1386.6258307696.

The spelling of 2666108740 in words is "two billion, six hundred sixty-six million, one hundred eight thousand, seven hundred forty".