216540233041 has 8 divisors (see below), whose sum is σ = 236493245664. Its totient is φ = 196631809920.

The previous prime is 216540233029. The next prime is 216540233101. The reversal of 216540233041 is 140332045612.

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 216540233041 - 2⁵ = 216540233009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216540232994 and 216540233012.

It is not an unprimeable number, because it can be changed into a prime (216540233941) 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, 11137216 + ... + 11156641.

It is an arithmetic number, because the mean of its divisors is an integer number (29561655708).

Almost surely, 2^216540233041 is an apocalyptic number.

It is an amenable number.

216540233041 is a deficient number, since it is larger than the sum of its proper divisors (19953012623).

216540233041 is a wasteful number, since it uses less digits than its factorization.

216540233041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294751.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 216540233041 its reverse (140332045612), we get a palindrome (356872278653).

The spelling of 216540233041 in words is "two hundred sixteen billion, five hundred forty million, two hundred thirty-three thousand, forty-one".