216360543 has 32 divisors (see below), whose sum is σ = 348019200. Its totient is φ = 116798976.

The previous prime is 216360541. The next prime is 216360559. The reversal of 216360543 is 345063612.

It is not a de Polignac number, because 216360543 - 2¹ = 216360541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216360543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216360541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226555 + ... + 227507.

It is an arithmetic number, because the mean of its divisors is an integer number (10875600).

Almost surely, 2^216360543 is an apocalyptic number.

216360543 is a deficient number, since it is larger than the sum of its proper divisors (131658657).

216360543 is a wasteful number, since it uses less digits than its factorization.

216360543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 216360543 is about 14709.1992644059. The cubic root of 216360543 is about 600.3336505389. Note that the first 3 decimals are identical.

The spelling of 216360543 in words is "two hundred sixteen million, three hundred sixty thousand, five hundred forty-three".