2660856736 has 12 divisors (see below), whose sum is σ = 5238561762. Its totient is φ = 1330428352.

The previous prime is 2660856713. The next prime is 2660856743. The reversal of 2660856736 is 6376580662.

2660856736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2506003600 + 154853136 = 50060^2 + 12444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2660856736.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41575855 + ... + 41575918.

Almost surely, 2^2660856736 is an apocalyptic number.

It is an amenable number.

2660856736 is a deficient number, since it is larger than the sum of its proper divisors (2577705026).

2660856736 is an equidigital number, since it uses as much as digits as its factorization.

2660856736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83151783 (or 83151775 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 2660856736 is about 51583.4928635121. The cubic root of 2660856736 is about 1385.7147211878.

The spelling of 2660856736 in words is "two billion, six hundred sixty million, eight hundred fifty-six thousand, seven hundred thirty-six".