2660708845 has 32 divisors (see below), whose sum is σ = 3433298400. Its totient is φ = 1979219968.

The previous prime is 2660708837. The next prime is 2660708863. The reversal of 2660708845 is 5488070662.

It can be written as a sum of positive squares in 16 ways, for example, as 1007554564 + 1653154281 = 31742^2 + 40659^2 .

It is not a de Polignac number, because 2660708845 - 2³ = 2660708837 is a prime.

It is a super-2 number, since 2×2660708845² = 14158743115722468050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2660708795 and 2660708804.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2185677 + ... + 2186893.

It is an arithmetic number, because the mean of its divisors is an integer number (107290575).

Almost surely, 2^2660708845 is an apocalyptic number.

It is an amenable number.

2660708845 is a deficient number, since it is larger than the sum of its proper divisors (772589555).

2660708845 is an equidigital number, since it uses as much as digits as its factorization.

2660708845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 2660708845 is about 51582.0593326788. The cubic root of 2660708845 is about 1385.6890479363.

The spelling of 2660708845 in words is "two billion, six hundred sixty million, seven hundred eight thousand, eight hundred forty-five".