5616808165 has 4 divisors (see below), whose sum is σ = 6740169804. Its totient is φ = 4493446528.

The previous prime is 5616808163. The next prime is 5616808181. The reversal of 5616808165 is 5618086165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4298900356 + 1317907809 = 65566^2 + 36303^2 .

It is a cyclic number.

It is not a de Polignac number, because 5616808165 - 2¹ = 5616808163 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 (5616808163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561680812 + ... + 561680821.

It is an arithmetic number, because the mean of its divisors is an integer number (1685042451).

Almost surely, 2^5616808165 is an apocalyptic number.

It is an amenable number.

5616808165 is a deficient number, since it is larger than the sum of its proper divisors (1123361639).

5616808165 is a wasteful number, since it uses less digits than its factorization.

5616808165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123361638.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 5616808165 is about 74945.3678688683. The cubic root of 5616808165 is about 1777.5828999760.

The spelling of 5616808165 in words is "five billion, six hundred sixteen million, eight hundred eight thousand, one hundred sixty-five".