5666369398272 has 240 divisors, whose sum is σ = 17901144909648. Its totient is φ = 1711216803840.

The previous prime is 5666369398247. The next prime is 5666369398279. The reversal of 5666369398272 is 2728939636665.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 5666369398272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666369398279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14660818 + ... + 15042350.

Almost surely, 2^{5666369398272} 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 5666369398272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8950572454824).

5666369398272 is an abundant number, since it is smaller than the sum of its proper divisors (12234775511376).

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

5666369398272 is a wasteful number, since it uses less digits than its factorization.

5666369398272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381861 (or 381842 counting only the distinct ones).

The product of its digits is 1058158080, while the sum is 72.

The spelling of 5666369398272 in words is "five trillion, six hundred sixty-six billion, three hundred sixty-nine million, three hundred ninety-eight thousand, two hundred seventy-two".