5566656507 has 8 divisors (see below), whose sum is σ = 7480651776. Its totient is φ = 3681882792.

The previous prime is 5566656493. The next prime is 5566656509. The reversal of 5566656507 is 7056566655.

It is a happy number.

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

It is not a de Polignac number, because 5566656507 - 2⁷ = 5566656379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5566656507.

It is not an unprimeable number, because it can be changed into a prime (5566656509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7304943 + ... + 7305704.

It is an arithmetic number, because the mean of its divisors is an integer number (935081472).

Almost surely, 2^5566656507 is an apocalyptic number.

5566656507 is a deficient number, since it is larger than the sum of its proper divisors (1913995269).

5566656507 is a wasteful number, since it uses less digits than its factorization.

5566656507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610777.

The product of its (nonzero) digits is 5670000, while the sum is 51.

The square root of 5566656507 is about 74610.0295335687. The cubic root of 5566656507 is about 1772.2764825776.

The spelling of 5566656507 in words is "five billion, five hundred sixty-six million, six hundred fifty-six thousand, five hundred seven".