216403116441 has 32 divisors (see below), whose sum is σ = 300650400000. Its totient is φ = 138285412608.

The previous prime is 216403116437. The next prime is 216403116491. The reversal of 216403116441 is 144611304612.

It is not a de Polignac number, because 216403116441 - 2² = 216403116437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216403116401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34906260 + ... + 34912458.

It is an arithmetic number, because the mean of its divisors is an integer number (9395325000).

Almost surely, 2^216403116441 is an apocalyptic number.

It is an amenable number.

216403116441 is a deficient number, since it is larger than the sum of its proper divisors (84247283559).

216403116441 is a wasteful number, since it uses less digits than its factorization.

216403116441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 216403116441 in words is "two hundred sixteen billion, four hundred three million, one hundred sixteen thousand, four hundred forty-one".