5566989847680 has 768 divisors, whose sum is σ = 20661821107200. Its totient is φ = 1376185614336.

The previous prime is 5566989847609. The next prime is 5566989847681. The reversal of 5566989847680 is 867489896655.

5566989847680 is a `hidden beast` number, since 5 + 5 + 6 + 69 + 8 + 9 + 8 + 476 + 80 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5566989847680.

It is not an unprimeable number, because it can be changed into a prime (5566989847681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5237054829 + ... + 5237055891.

It is an arithmetic number, because the mean of its divisors is an integer number (26903412900).

Almost surely, 2^{5566989847680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566989847680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10330910553600).

5566989847680 is an abundant number, since it is smaller than the sum of its proper divisors (15094831259520).

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

5566989847680 is a wasteful number, since it uses less digits than its factorization.

5566989847680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 6270566400, while the sum is 81.

The spelling of 5566989847680 in words is "five trillion, five hundred sixty-six billion, nine hundred eighty-nine million, eight hundred forty-seven thousand, six hundred eighty".