216361040216 has 8 divisors (see below), whose sum is σ = 405676950420. Its totient is φ = 108180520104.

The previous prime is 216361040201. The next prime is 216361040303. The reversal of 216361040216 is 612040163612.

216361040216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13522565006 + ... + 13522565021.

Almost surely, 2^216361040216 is an apocalyptic number.

It is an amenable number.

216361040216 is a deficient number, since it is larger than the sum of its proper divisors (189315910204).

216361040216 is a wasteful number, since it uses less digits than its factorization.

216361040216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27045130033 (or 27045130029 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 216361040216 in words is "two hundred sixteen billion, three hundred sixty-one million, forty thousand, two hundred sixteen".