2544834666 has 32 divisors (see below), whose sum is σ = 5587754688. Its totient is φ = 766247040.

The previous prime is 2544834647. The next prime is 2544834713. The reversal of 2544834666 is 6664384452.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 112435 + ... + 133158.

It is an arithmetic number, because the mean of its divisors is an integer number (174617334).

Almost surely, 2^2544834666 is an apocalyptic number.

2544834666 is an abundant number, since it is smaller than the sum of its proper divisors (3042920022).

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

2544834666 is a wasteful number, since it uses less digits than its factorization.

2544834666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245766.

The product of its digits is 3317760, while the sum is 48.

The square root of 2544834666 is about 50446.3543380490. The cubic root of 2544834666 is about 1365.2741184912.

The spelling of 2544834666 in words is "two billion, five hundred forty-four million, eight hundred thirty-four thousand, six hundred sixty-six".