216412354244 has 24 divisors (see below), whose sum is σ = 379402708608. Its totient is φ = 108011746080.

The previous prime is 216412354243. The next prime is 216412354261. The reversal of 216412354244 is 442453214612.

216412354244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216412354198 and 216412354207.

It is not an unprimeable number, because it can be changed into a prime (216412354243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533679 + ... + 5572649.

It is an arithmetic number, because the mean of its divisors is an integer number (15808446192).

Almost surely, 2^216412354244 is an apocalyptic number.

It is an amenable number.

216412354244 is a deficient number, since it is larger than the sum of its proper divisors (162990354364).

216412354244 is a wasteful number, since it uses less digits than its factorization.

216412354244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41435 (or 41433 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

Adding to 216412354244 its reverse (442453214612), we get a palindrome (658865568856).

The spelling of 216412354244 in words is "two hundred sixteen billion, four hundred twelve million, three hundred fifty-four thousand, two hundred forty-four".