5666639655141 has 40 divisors (see below), whose sum is σ = 8543380285440. Its totient is φ = 3742853238432.

The previous prime is 5666639655121. The next prime is 5666639655167. The reversal of 5666639655141 is 1415569366665.

It is not a de Polignac number, because 5666639655141 - 2¹⁷ = 5666639524069 is a prime.

It is a super-2 number, since 2×5666639655141² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666639655101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7099795 + ... + 7857503.

It is an arithmetic number, because the mean of its divisors is an integer number (213584507136).

Almost surely, 2^{5666639655141} is an apocalyptic number.

It is an amenable number.

5666639655141 is a deficient number, since it is larger than the sum of its proper divisors (2876740630299).

5666639655141 is a wasteful number, since it uses less digits than its factorization.

5666639655141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758575 (or 758566 counting only the distinct ones).

The product of its digits is 104976000, while the sum is 63.

The spelling of 5666639655141 in words is "five trillion, six hundred sixty-six billion, six hundred thirty-nine million, six hundred fifty-five thousand, one hundred forty-one".