2666443330 has 32 divisors (see below), whose sum is σ = 4947174144. Its totient is φ = 1034146176.

The previous prime is 2666443321. The next prime is 2666443343. The reversal of 2666443330 is 333446662.

It is a self number, because there is not a number n which added to its sum of digits gives 2666443330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36279 + ... + 81541.

It is an arithmetic number, because the mean of its divisors is an integer number (154599192).

Almost surely, 2^2666443330 is an apocalyptic number.

2666443330 is a deficient number, since it is larger than the sum of its proper divisors (2280730814).

2666443330 is a wasteful number, since it uses less digits than its factorization.

2666443330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45450.

The product of its (nonzero) digits is 186624, while the sum is 37.

The square root of 2666443330 is about 51637.6154561769. The cubic root of 2666443330 is about 1386.6838343715.

Adding to 2666443330 its reverse (333446662), we get a palindrome (2999889992).

The spelling of 2666443330 in words is "two billion, six hundred sixty-six million, four hundred forty-three thousand, three hundred thirty".