5644716161 has 12 divisors (see below), whose sum is σ = 6567854868. Its totient is φ = 4837184352.

The previous prime is 5644716151. The next prime is 5644716163. The reversal of 5644716161 is 1616174465.

It can be written as a sum of positive squares in 2 ways, for example, as 4299293761 + 1345422400 = 65569^2 + 36680^2 .

It is not a de Polignac number, because 5644716161 - 2¹⁰ = 5644715137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644716163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245615 + ... + 267611.

It is an arithmetic number, because the mean of its divisors is an integer number (547321239).

Almost surely, 2^5644716161 is an apocalyptic number.

It is an amenable number.

5644716161 is a deficient number, since it is larger than the sum of its proper divisors (923138707).

5644716161 is a wasteful number, since it uses less digits than its factorization.

5644716161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27248 (or 27241 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 5644716161 is about 75131.3260963761. The cubic root of 5644716161 is about 1780.5221042389.

The spelling of 5644716161 in words is "five billion, six hundred forty-four million, seven hundred sixteen thousand, one hundred sixty-one".