2666433330 has 160 divisors (see below), whose sum is σ = 7901644608. Its totient is φ = 639792000.

The previous prime is 2666433317. The next prime is 2666433331. The reversal of 2666433330 is 333346662.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2666433331) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 898429 + ... + 901391.

Almost surely, 2^2666433330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666433330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950822304).

2666433330 is an abundant number, since it is smaller than the sum of its proper divisors (5235211278).

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

2666433330 is a wasteful number, since it uses less digits than its factorization.

2666433330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

The square root of 2666433330 is about 51637.5186274476. The cubic root of 2666433330 is about 1386.6821008694.

Adding to 2666433330 its reverse (333346662), we get a palindrome (2999779992).

The spelling of 2666433330 in words is "two billion, six hundred sixty-six million, four hundred thirty-three thousand, three hundred thirty".