216043243438032 has 60 divisors (see below), whose sum is σ = 627014392746560. Its totient is φ = 72014414478048.

The previous prime is 216043243438027. The next prime is 216043243438051. The reversal of 216043243438032 is 230834342340612.

216043243438032 is a `hidden beast` number, since 2 + 1 + 60 + 432 + 43 + 43 + 80 + 3 + 2 = 666.

It is a super-3 number, since 3×216043243438032³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

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, 27783335032 + ... + 27783342807.

Almost surely, 2^{216043243438032} is an apocalyptic number.

It is an amenable number.

216043243438032 is an abundant number, since it is smaller than the sum of its proper divisors (410971149308528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216043243438032 is an equidigital number, since it uses as much as digits as its factorization.

216043243438032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55566677862 (or 55566677844 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

Adding to 216043243438032 its reverse (230834342340612), we get a palindrome (446877585778644).

The spelling of 216043243438032 in words is "two hundred sixteen trillion, forty-three billion, two hundred forty-three million, four hundred thirty-eight thousand, thirty-two".