5221344666 has 32 divisors (see below), whose sum is σ = 11115835200. Its totient is φ = 1630316160.

The previous prime is 5221344587. The next prime is 5221344673. The reversal of 5221344666 is 6664431225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247165 + ... + 267456.

It is an arithmetic number, because the mean of its divisors is an integer number (347369850).

Almost surely, 2^5221344666 is an apocalyptic number.

5221344666 is an abundant number, since it is smaller than the sum of its proper divisors (5894490534).

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

5221344666 is a wasteful number, since it uses less digits than its factorization.

5221344666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514734.

The product of its digits is 207360, while the sum is 39.

The square root of 5221344666 is about 72258.8725763141. The cubic root of 5221344666 is about 1734.8454342176.

The spelling of 5221344666 in words is "five billion, two hundred twenty-one million, three hundred forty-four thousand, six hundred sixty-six".