5666245637 has 8 divisors (see below), whose sum is σ = 6102827640. Its totient is φ = 5229766080.

The previous prime is 5666245631. The next prime is 5666245643. The reversal of 5666245637 is 7365426665.

It is an interprime number because it is at equal distance from previous prime (5666245631) and next prime (5666245643).

It can be written as a sum of positive squares in 4 ways, for example, as 512297956 + 5153947681 = 22634^2 + 71791^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5666245637 - 2⁸ = 5666245381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666245631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119939 + ... + 160367.

It is an arithmetic number, because the mean of its divisors is an integer number (762853455).

Almost surely, 2^5666245637 is an apocalyptic number.

It is an amenable number.

5666245637 is a deficient number, since it is larger than the sum of its proper divisors (436582003).

5666245637 is a wasteful number, since it uses less digits than its factorization.

5666245637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51223.

The product of its digits is 5443200, while the sum is 50.

The square root of 5666245637 is about 75274.4686929107. The cubic root of 5666245637 is about 1782.7829250200.

The spelling of 5666245637 in words is "five billion, six hundred sixty-six million, two hundred forty-five thousand, six hundred thirty-seven".