5665566000161 has 8 divisors (see below), whose sum is σ = 5963796597600. Its totient is φ = 5367339694080.

The previous prime is 5665566000113. The next prime is 5665566000181. The reversal of 5665566000161 is 1610006655665.

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 5665566000161 - 2¹⁸ = 5665565738017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5665566000181) 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, 1839905 + ... + 3836193.

It is an arithmetic number, because the mean of its divisors is an integer number (745474574700).

Almost surely, 2^{5665566000161} is an apocalyptic number.

It is an amenable number.

5665566000161 is a deficient number, since it is larger than the sum of its proper divisors (298230597439).

5665566000161 is a wasteful number, since it uses less digits than its factorization.

5665566000161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145679.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 5665566000161 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-six million, one hundred sixty-one", and thus it is an aban number.