218116041 has 48 divisors (see below), whose sum is σ = 350156352. Its totient is φ = 119059200.

The previous prime is 218116033. The next prime is 218116057. The reversal of 218116041 is 140611812.

It is not a de Polignac number, because 218116041 - 2³ = 218116033 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218116141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1204971 + ... + 1205151.

It is an arithmetic number, because the mean of its divisors is an integer number (7294924).

Almost surely, 2^218116041 is an apocalyptic number.

It is an amenable number.

218116041 is a deficient number, since it is larger than the sum of its proper divisors (132040311).

218116041 is a wasteful number, since it uses less digits than its factorization.

218116041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 218116041 is about 14768.7521815487. The cubic root of 218116041 is about 601.9529337419.

Adding to 218116041 its reverse (140611812), we get a palindrome (358727853).

The spelling of 218116041 in words is "two hundred eighteen million, one hundred sixteen thousand, forty-one".