5665432679680 has 36 divisors (see below), whose sum is σ = 13570481718612. Its totient is φ = 2266173071360.

The previous prime is 5665432679659. The next prime is 5665432679719. The reversal of 5665432679680 is 869762345665.

It can be written as a sum of positive squares in 2 ways, for example, as 2064486196224 + 3600946483456 = 1436832^2 + 1897616^2 .

It is a super-2 number, since 2×5665432679680² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 2213058361 + ... + 2213060920.

It is an arithmetic number, because the mean of its divisors is an integer number (376957825517).

Almost surely, 2^{5665432679680} is an apocalyptic number.

It is an amenable number.

5665432679680 is an abundant number, since it is smaller than the sum of its proper divisors (7905049038932).

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

5665432679680 is an equidigital number, since it uses as much as digits as its factorization.

5665432679680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426119302 (or 4426119288 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 67.

The spelling of 5665432679680 in words is "five trillion, six hundred sixty-five billion, four hundred thirty-two million, six hundred seventy-nine thousand, six hundred eighty".