2666016456 has 16 divisors (see below), whose sum is σ = 6665041200. Its totient is φ = 888672144.

The previous prime is 2666016373. The next prime is 2666016481. The reversal of 2666016456 is 6546106662.

It is a happy number.

2666016456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 55541986 + ... + 55542033.

It is an arithmetic number, because the mean of its divisors is an integer number (416565075).

Almost surely, 2^2666016456 is an apocalyptic number.

It is an amenable number.

2666016456 is an abundant number, since it is smaller than the sum of its proper divisors (3999024744).

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

2666016456 is a wasteful number, since it uses less digits than its factorization.

2666016456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111084028 (or 111084024 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2666016456 is about 51633.4819279119. The cubic root of 2666016456 is about 1386.6098318154.

The spelling of 2666016456 in words is "two billion, six hundred sixty-six million, sixteen thousand, four hundred fifty-six".