5665565607 has 16 divisors (see below), whose sum is σ = 8333592288. Its totient is φ = 3401464320.

The previous prime is 5665565593. The next prime is 5665565617. The reversal of 5665565607 is 7065655665.

It is a happy number.

It is not a de Polignac number, because 5665565607 - 2³² = 1370598311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5665565607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665565617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769998 + ... + 1773195.

It is an arithmetic number, because the mean of its divisors is an integer number (520849518).

Almost surely, 2^5665565607 is an apocalyptic number.

5665565607 is a deficient number, since it is larger than the sum of its proper divisors (2668026681).

5665565607 is a wasteful number, since it uses less digits than its factorization.

5665565607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543250.

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

The square root of 5665565607 is about 75269.9515543886. The cubic root of 5665565607 is about 1782.7116024046.

The spelling of 5665565607 in words is "five billion, six hundred sixty-five million, five hundred sixty-five thousand, six hundred seven".