216165014105356 has 48 divisors (see below), whose sum is σ = 381900064605696. Its totient is φ = 107055716201984.

The previous prime is 216165014105297. The next prime is 216165014105407. The reversal of 216165014105356 is 653501410561612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336171105 + ... + 336813511.

It is an arithmetic number, because the mean of its divisors is an integer number (7956251345952).

Almost surely, 2^{216165014105356} is an apocalyptic number.

It is an amenable number.

216165014105356 is a deficient number, since it is larger than the sum of its proper divisors (165735050500340).

216165014105356 is a wasteful number, since it uses less digits than its factorization.

216165014105356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644358 (or 644356 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

Adding to 216165014105356 its reverse (653501410561612), we get a palindrome (869666424666968).

The spelling of 216165014105356 in words is "two hundred sixteen trillion, one hundred sixty-five billion, fourteen million, one hundred five thousand, three hundred fifty-six".