216411041 has 12 divisors (see below), whose sum is σ = 271856256. Its totient is φ = 168631320.

The previous prime is 216411029. The next prime is 216411049. The reversal of 216411041 is 140114612.

216411041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216411041 - 2²² = 212216737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216411049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126905 + ... + 128598.

It is an arithmetic number, because the mean of its divisors is an integer number (22654688).

Almost surely, 2^216411041 is an apocalyptic number.

It is an amenable number.

216411041 is a deficient number, since it is larger than the sum of its proper divisors (55445215).

216411041 is a wasteful number, since it uses less digits than its factorization.

216411041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255532 (or 255521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 216411041 is about 14710.9157090917. The cubic root of 216411041 is about 600.3803523544.

Adding to 216411041 its reverse (140114612), we get a palindrome (356525653).

The spelling of 216411041 in words is "two hundred sixteen million, four hundred eleven thousand, forty-one".