4494345666 has 8 divisors (see below), whose sum is σ = 8988691344. Its totient is φ = 1498115220.

The previous prime is 4494345643. The next prime is 4494345679. The reversal of 4494345666 is 6665434944.

It is a sphenic number, since it is the product of 3 distinct primes.

4494345666 is an admirable number.

It is a super-3 number, since 3×4494345666³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374528800 + ... + 374528811.

It is an arithmetic number, because the mean of its divisors is an integer number (1123586418).

Almost surely, 2^4494345666 is an apocalyptic number.

4494345666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4494345666 is a wasteful number, since it uses less digits than its factorization.

4494345666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749057616.

The product of its digits is 7464960, while the sum is 51.

The square root of 4494345666 is about 67039.8811603959. The cubic root of 4494345666 is about 1650.2718457514.

It can be divided in two parts, 44943 and 45666, that added together give a palindrome (90609).

The spelling of 4494345666 in words is "four billion, four hundred ninety-four million, three hundred forty-five thousand, six hundred sixty-six".