5666662287 has 64 divisors (see below), whose sum is σ = 9906624000. Its totient is φ = 3156053760.

The previous prime is 5666662259. The next prime is 5666662291. The reversal of 5666662287 is 7822666665.

It is a happy number.

It is not a de Polignac number, because 5666662287 - 2⁶ = 5666662223 is a prime.

It is a super-2 number, since 2×5666662287² = 64222122949816140738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666662217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 896464 + ... + 902762.

It is an arithmetic number, because the mean of its divisors is an integer number (154791000).

Almost surely, 2^5666662287 is an apocalyptic number.

5666662287 is a deficient number, since it is larger than the sum of its proper divisors (4239961713).

5666662287 is a wasteful number, since it uses less digits than its factorization.

5666662287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565 (or 6559 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 5666662287 is about 75277.2361806675. The cubic root of 5666662287 is about 1782.8266211078.

The spelling of 5666662287 in words is "five billion, six hundred sixty-six million, six hundred sixty-two thousand, two hundred eighty-seven".