217086483161 has 16 divisors (see below), whose sum is σ = 218915648640. Its totient is φ = 215266947840.

The previous prime is 217086483127. The next prime is 217086483191. The reversal of 217086483161 is 161384680712.

It is a cyclic number.

It is not a de Polignac number, because 217086483161 - 2¹⁴ = 217086466777 is a prime.

It is a super-2 number, since 2×217086483161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217086483191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67479425 + ... + 67482641.

It is an arithmetic number, because the mean of its divisors is an integer number (13682228040).

Almost surely, 2^217086483161 is an apocalyptic number.

It is an amenable number.

217086483161 is a deficient number, since it is larger than the sum of its proper divisors (1829165479).

217086483161 is a wasteful number, since it uses less digits than its factorization.

217086483161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 217086483161 in words is "two hundred seventeen billion, eighty-six million, four hundred eighty-three thousand, one hundred sixty-one".