5665416685 has 8 divisors (see below), whose sum is σ = 7198411896. Its totient is φ = 4265725440.

The previous prime is 5665416683. The next prime is 5665416697. The reversal of 5665416685 is 5866145665.

It can be written as a sum of positive squares in 4 ways, for example, as 2298051844 + 3367364841 = 47938^2 + 58029^2 .

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

It is not a de Polignac number, because 5665416685 - 2¹ = 5665416683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665416683) 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, 33325896 + ... + 33326065.

It is an arithmetic number, because the mean of its divisors is an integer number (899801487).

Almost surely, 2^5665416685 is an apocalyptic number.

It is an amenable number.

5665416685 is a deficient number, since it is larger than the sum of its proper divisors (1532995211).

5665416685 is a wasteful number, since it uses less digits than its factorization.

5665416685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66651983.

The product of its digits is 5184000, while the sum is 52.

The square root of 5665416685 is about 75268.9622952250. The cubic root of 5665416685 is about 1782.6959824694.

The spelling of 5665416685 in words is "five billion, six hundred sixty-five million, four hundred sixteen thousand, six hundred eighty-five".