216361353 has 16 divisors (see below), whose sum is σ = 315052416. Its totient is φ = 131268480.

The previous prime is 216361349. The next prime is 216361381. The reversal of 216361353 is 353163612.

It is a happy number.

216361353 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 216361353 - 2² = 216361349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216361353.

It is not an unprimeable number, because it can be changed into a prime (216361333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36300 + ... + 41837.

It is an arithmetic number, because the mean of its divisors is an integer number (19690776).

Almost surely, 2^216361353 is an apocalyptic number.

It is an amenable number.

216361353 is a deficient number, since it is larger than the sum of its proper divisors (98691063).

216361353 is a wasteful number, since it uses less digits than its factorization.

216361353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78224.

The product of its digits is 9720, while the sum is 30.

The square root of 216361353 is about 14709.2267981699. The cubic root of 216361353 is about 600.3343997046.

The spelling of 216361353 in words is "two hundred sixteen million, three hundred sixty-one thousand, three hundred fifty-three".