1066866908443 has 8 divisors (see below), whose sum is σ = 1219400821760. Its totient is φ = 914364083880.

The previous prime is 1066866908441. The next prime is 1066866908449. The reversal of 1066866908443 is 3448096686601.

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 1066866908443 - 2¹ = 1066866908441 is a prime.

It is a super-2 number, since 2×1066866908443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066866908441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7698603 + ... + 7835956.

It is an arithmetic number, because the mean of its divisors is an integer number (152425102720).

Almost surely, 2^{1066866908443} is an apocalyptic number.

1066866908443 is a deficient number, since it is larger than the sum of its proper divisors (152533913317).

1066866908443 is an equidigital number, since it uses as much as digits as its factorization.

1066866908443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544377.

The product of its (nonzero) digits is 35831808, while the sum is 61.

The spelling of 1066866908443 in words is "one trillion, sixty-six billion, eight hundred sixty-six million, nine hundred eight thousand, four hundred forty-three".