6944555556 has 243 divisors, whose sum is σ = 20149086321. Its totient is φ = 2016016128.

The previous prime is 6944555543. The next prime is 6944555581. The reversal of 6944555556 is 6555554496.

It is a happy number.

The square root of 6944555556 is 83334.

It is a perfect power (a square), and thus also a powerful number.

6944555556 is a `hidden beast` number, since 6 + 94 + 455 + 55 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5406660900 + 1537894656 = 73530^2 + 39216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 161501271 + ... + 161501313.

Almost surely, 2^6944555556 is an apocalyptic number.

6944555556 is the 83334-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6944555556

6944555556 is an abundant number, since it is smaller than the sum of its proper divisors (13204530765).

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

6944555556 is a wasteful number, since it uses less digits than its factorization.

6944555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 84 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 54.

The cubic root of 6944555556 is about 1907.8672461464.

It can be divided in two parts, 6944 and 555556, that added together give a square (562500 = 750²).

The spelling of 6944555556 in words is "six billion, nine hundred forty-four million, five hundred fifty-five thousand, five hundred fifty-six".