216030140016217 has 8 divisors (see below), whose sum is σ = 223484733549000. Its totient is φ = 208575898374144.

The previous prime is 216030140016181. The next prime is 216030140016221. The reversal of 216030140016217 is 712610041030612.

It can be written as a sum of positive squares in 4 ways, for example, as 34231731922521 + 181798408093696 = 5850789^2 + 13483264^2 .

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 216030140016217 - 2²⁷ = 216030005798489 is a prime.

It is a super-2 number, since 2×216030140016217² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216030140016247) 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, 86723368 + ... + 89179609.

It is an arithmetic number, because the mean of its divisors is an integer number (27935591693625).

Almost surely, 2^{216030140016217} is an apocalyptic number.

It is an amenable number.

216030140016217 is a deficient number, since it is larger than the sum of its proper divisors (7454593532783).

216030140016217 is a wasteful number, since it uses less digits than its factorization.

216030140016217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175945355.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 216030140016217 its reverse (712610041030612), we get a palindrome (928640181046829).

The spelling of 216030140016217 in words is "two hundred sixteen trillion, thirty billion, one hundred forty million, sixteen thousand, two hundred seventeen".