2666089472 has 44 divisors (see below), whose sum is σ = 5397202080. Its totient is φ = 1316130816.

The previous prime is 2666089441. The next prime is 2666089553. The reversal of 2666089472 is 2749806662.

It is a happy number.

It is a super-3 number, since 3×2666089472³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666089472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64418 + ... + 97374.

Almost surely, 2^2666089472 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 2666089472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698601040).

2666089472 is an abundant number, since it is smaller than the sum of its proper divisors (2731112608).

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

2666089472 is an equidigital number, since it uses as much as digits as its factorization.

2666089472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33056 (or 33038 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 2666089472 is about 51634.1889836569. The cubic root of 2666089472 is about 1386.6224903744.

The spelling of 2666089472 in words is "two billion, six hundred sixty-six million, eighty-nine thousand, four hundred seventy-two".