16217242543627 has 8 divisors (see below), whose sum is σ = 16263168849216. Its totient is φ = 16171325682432.

The previous prime is 16217242543609. The next prime is 16217242543661. The reversal of 16217242543627 is 72634524271261.

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 16217242543627 - 2¹⁹ = 16217242019339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16217246543627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085133 + ... + 5797585.

It is an arithmetic number, because the mean of its divisors is an integer number (2032896106152).

Almost surely, 2^{16217242543627} is an apocalyptic number.

16217242543627 is a deficient number, since it is larger than the sum of its proper divisors (45926305589).

16217242543627 is an equidigital number, since it uses as much as digits as its factorization.

16217242543627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722197.

The product of its digits is 6773760, while the sum is 52.

The spelling of 16217242543627 in words is "sixteen trillion, two hundred seventeen billion, two hundred forty-two million, five hundred forty-three thousand, six hundred twenty-seven".