216361460543 has 8 divisors (see below), whose sum is σ = 223472371200. Its totient is φ = 209258769240.

The previous prime is 216361460533. The next prime is 216361460561. The reversal of 216361460543 is 345064163612.

216361460543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 216361460543 - 2¹⁸ = 216361198399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216361460543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216361460533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001305 + ... + 2106642.

It is an arithmetic number, because the mean of its divisors is an integer number (27934046400).

Almost surely, 2^216361460543 is an apocalyptic number.

216361460543 is a deficient number, since it is larger than the sum of its proper divisors (7110910657).

216361460543 is a wasteful number, since it uses less digits than its factorization.

216361460543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109677.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 216361460543 in words is "two hundred sixteen billion, three hundred sixty-one million, four hundred sixty thousand, five hundred forty-three".