216155663106016 has 24 divisors (see below), whose sum is σ = 425886606477360. Its totient is φ = 107993985270528.

The previous prime is 216155663105999. The next prime is 216155663106023. The reversal of 216155663106016 is 610601366551612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620154436 + ... + 2620236931.

It is an arithmetic number, because the mean of its divisors is an integer number (17745275269890).

Almost surely, 2^{216155663106016} is an apocalyptic number.

It is an amenable number.

216155663106016 is a deficient number, since it is larger than the sum of its proper divisors (209730943371344).

216155663106016 is a wasteful number, since it uses less digits than its factorization.

216155663106016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240392666 (or 5240392658 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 216155663106016 in words is "two hundred sixteen trillion, one hundred fifty-five billion, six hundred sixty-three million, one hundred six thousand, sixteen".