5666351444 has 24 divisors (see below), whose sum is σ = 10681588008. Its totient is φ = 2614579200.

The previous prime is 5666351419. The next prime is 5666351459. The reversal of 5666351444 is 4441536665.

It can be written as a sum of positive squares in 4 ways, for example, as 99400900 + 5566950544 = 9970^2 + 74612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5666351395 and 5666351404.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 238304 + ... + 261000.

It is an arithmetic number, because the mean of its divisors is an integer number (445066167).

Almost surely, 2^5666351444 is an apocalyptic number.

It is an amenable number.

5666351444 is a deficient number, since it is larger than the sum of its proper divisors (5015236564).

5666351444 is a wasteful number, since it uses less digits than its factorization.

5666351444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27515 (or 27513 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 5666351444 is about 75275.1714976459. The cubic root of 5666351444 is about 1782.7940217115.

The spelling of 5666351444 in words is "five billion, six hundred sixty-six million, three hundred fifty-one thousand, four hundred forty-four".