5556416644 has 6 divisors (see below), whose sum is σ = 9723729134. Its totient is φ = 2778208320.

The previous prime is 5556416641. The next prime is 5556416683. The reversal of 5556416644 is 4466146555.

It can be written as a sum of positive squares in only one way, i.e., 4024633600 + 1531783044 = 63440^2 + 39138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5556416594 and 5556416603.

It is not an unprimeable number, because it can be changed into a prime (5556416641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694552077 + ... + 694552084.

Almost surely, 2^5556416644 is an apocalyptic number.

It is an amenable number.

5556416644 is a deficient number, since it is larger than the sum of its proper divisors (4167312490).

5556416644 is a wasteful number, since it uses less digits than its factorization.

5556416644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389104165 (or 1389104163 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 5556416644 is about 74541.3753830716. The cubic root of 5556416644 is about 1771.1891148786.

The spelling of 5556416644 in words is "five billion, five hundred fifty-six million, four hundred sixteen thousand, six hundred forty-four".