2668081336 has 16 divisors (see below), whose sum is σ = 5109092640. Its totient is φ = 1305656640.

The previous prime is 2668081319. The next prime is 2668081373. The reversal of 2668081336 is 6331808662.

2668081336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2668081292 and 2668081301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547605 + ... + 3548356.

It is an arithmetic number, because the mean of its divisors is an integer number (319318290).

Almost surely, 2^2668081336 is an apocalyptic number.

It is an amenable number.

2668081336 is a deficient number, since it is larger than the sum of its proper divisors (2441011304).

2668081336 is a wasteful number, since it uses less digits than its factorization.

2668081336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096014 (or 7096010 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 2668081336 is about 51653.4736102036. The cubic root of 2668081336 is about 1386.9677245840.

Adding to 2668081336 its reverse (6331808662), we get a palindrome (8999889998).

The spelling of 2668081336 in words is "two billion, six hundred sixty-eight million, eighty-one thousand, three hundred thirty-six".