216331957396214 has 32 divisors (see below), whose sum is σ = 357879975425280. Its totient is φ = 97257516285600.

The previous prime is 216331957396207. The next prime is 216331957396271. The reversal of 216331957396214 is 412693759133612.

It is a happy number.

216331957396214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78768482 + ... + 81468629.

It is an arithmetic number, because the mean of its divisors is an integer number (11183749232040).

Almost surely, 2^{216331957396214} is an apocalyptic number.

216331957396214 is a deficient number, since it is larger than the sum of its proper divisors (141548018029066).

216331957396214 is a wasteful number, since it uses less digits than its factorization.

216331957396214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160237796.

The product of its digits is 44089920, while the sum is 62.

The spelling of 216331957396214 in words is "two hundred sixteen trillion, three hundred thirty-one billion, nine hundred fifty-seven million, three hundred ninety-six thousand, two hundred fourteen".