5616666555 has 16 divisors (see below), whose sum is σ = 9100423680. Its totient is φ = 2957636448.

The previous prime is 5616666487. The next prime is 5616666571. The reversal of 5616666555 is 5556666165.

It is not a de Polignac number, because 5616666555 - 2¹⁰ = 5616665531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5616666498 and 5616666507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368717 + ... + 2371086.

It is an arithmetic number, because the mean of its divisors is an integer number (568776480).

Almost surely, 2^5616666555 is an apocalyptic number.

5616666555 is a deficient number, since it is larger than the sum of its proper divisors (3483757125).

5616666555 is a wasteful number, since it uses less digits than its factorization.

5616666555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739890.

The product of its digits is 4860000, while the sum is 51.

The square root of 5616666555 is about 74944.4231080605. The cubic root of 5616666555 is about 1777.5679611459.

The spelling of 5616666555 in words is "five billion, six hundred sixteen million, six hundred sixty-six thousand, five hundred fifty-five".