5561516626 has 8 divisors (see below), whose sum is σ = 8363289420. Its totient is φ = 2773753488.

The previous prime is 5561516603. The next prime is 5561516641. The reversal of 5561516626 is 6266151655.

It can be written as a sum of positive squares in 2 ways, for example, as 5515290225 + 46226401 = 74265^2 + 6799^2 .

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

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, 3501421 + ... + 3503008.

Almost surely, 2^5561516626 is an apocalyptic number.

5561516626 is a deficient number, since it is larger than the sum of its proper divisors (2801772794).

5561516626 is a wasteful number, since it uses less digits than its factorization.

5561516626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004828.

The product of its digits is 324000, while the sum is 43.

The square root of 5561516626 is about 74575.5766052131. The cubic root of 5561516626 is about 1771.7308471329.

The spelling of 5561516626 in words is "five billion, five hundred sixty-one million, five hundred sixteen thousand, six hundred twenty-six".