5666065456 has 40 divisors (see below), whose sum is σ = 12129161184. Its totient is φ = 2550451200.

The previous prime is 5666065451. The next prime is 5666065477. The reversal of 5666065456 is 6545606665.

It is not an unprimeable number, because it can be changed into a prime (5666065451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446595 + ... + 459106.

Almost surely, 2^5666065456 is an apocalyptic number.

It is an amenable number.

5666065456 is an abundant number, since it is smaller than the sum of its proper divisors (6463095728).

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

5666065456 is a wasteful number, since it uses less digits than its factorization.

5666065456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905749 (or 905743 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

The square root of 5666065456 is about 75273.2718566159. The cubic root of 5666065456 is about 1782.7640279092.

The spelling of 5666065456 in words is "five billion, six hundred sixty-six million, sixty-five thousand, four hundred fifty-six".