216435434116 has 36 divisors (see below), whose sum is σ = 422188986240. Its totient is φ = 96994097200.

The previous prime is 216435434101. The next prime is 216435434129. The reversal of 216435434116 is 611434534612.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3114796 + ... + 3183523.

It is an arithmetic number, because the mean of its divisors is an integer number (11727471840).

Almost surely, 2^216435434116 is an apocalyptic number.

It is an amenable number.

216435434116 is a deficient number, since it is larger than the sum of its proper divisors (205753552124).

216435434116 is a wasteful number, since it uses less digits than its factorization.

216435434116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298416 (or 6298403 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

Adding to 216435434116 its reverse (611434534612), we get a palindrome (827869968728).

The spelling of 216435434116 in words is "two hundred sixteen billion, four hundred thirty-five million, four hundred thirty-four thousand, one hundred sixteen".