2668806555 has 8 divisors (see below), whose sum is σ = 4270090512. Its totient is φ = 1423363488.

The previous prime is 2668806521. The next prime is 2668806583. The reversal of 2668806555 is 5556088662.

2668806555 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2668806555 - 2²⁴ = 2652029339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2668806498 and 2668806507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88960204 + ... + 88960233.

It is an arithmetic number, because the mean of its divisors is an integer number (533761314).

Almost surely, 2^2668806555 is an apocalyptic number.

2668806555 is a deficient number, since it is larger than the sum of its proper divisors (1601283957).

2668806555 is a wasteful number, since it uses less digits than its factorization.

2668806555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177920445.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The square root of 2668806555 is about 51660.4931741849. The cubic root of 2668806555 is about 1387.0933784526.

The spelling of 2668806555 in words is "two billion, six hundred sixty-eight million, eight hundred six thousand, five hundred fifty-five".