5616666065 has 8 divisors (see below), whose sum is σ = 6740404200. Its totient is φ = 4493062912.

The previous prime is 5616666047. The next prime is 5616666113. The reversal of 5616666065 is 5606666165.

It can be written as a sum of positive squares in 4 ways, for example, as 559180609 + 5057485456 = 23647^2 + 71116^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5616666065 - 2⁶ = 5616666001 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 130361 + ... + 168009.

It is an arithmetic number, because the mean of its divisors is an integer number (842550525).

Almost surely, 2^5616666065 is an apocalyptic number.

It is an amenable number.

5616666065 is a deficient number, since it is larger than the sum of its proper divisors (1123738135).

5616666065 is a wasteful number, since it uses less digits than its factorization.

5616666065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67491.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 5616666065 is about 74944.4198389713. The cubic root of 5616666065 is about 1777.5679094540.

The spelling of 5616666065 in words is "five billion, six hundred sixteen million, six hundred sixty-six thousand, sixty-five".