5566156655 has 32 divisors (see below), whose sum is σ = 6947306496. Its totient is φ = 4278282624.

The previous prime is 5566156649. The next prime is 5566156667. The reversal of 5566156655 is 5566516655.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566156655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7352537 + ... + 7353293.

It is an arithmetic number, because the mean of its divisors is an integer number (217103328).

Almost surely, 2^5566156655 is an apocalyptic number.

5566156655 is a deficient number, since it is larger than the sum of its proper divisors (1381149841).

5566156655 is a wasteful number, since it uses less digits than its factorization.

5566156655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 4050000, while the sum is 50.

The square root of 5566156655 is about 74606.6796942472. The cubic root of 5566156655 is about 1772.2234344292.

Subtracting 5566156655 from its reverse (5566516655), we obtain a square (360000 = 600²).

The spelling of 5566156655 in words is "five billion, five hundred sixty-six million, one hundred fifty-six thousand, six hundred fifty-five".