216662130214 has 16 divisors (see below), whose sum is σ = 339140535552. Its totient is φ = 103615762888.

The previous prime is 216662130199. The next prime is 216662130253. The reversal of 216662130214 is 412031266612.

It is a self number, because there is not a number n which added to its sum of digits gives 216662130214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888807 + ... + 1106029.

It is an arithmetic number, because the mean of its divisors is an integer number (21196283472).

Almost surely, 2^216662130214 is an apocalyptic number.

216662130214 is a deficient number, since it is larger than the sum of its proper divisors (122478405338).

216662130214 is a wasteful number, since it uses less digits than its factorization.

216662130214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238931.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 216662130214 its reverse (412031266612), we get a palindrome (628693396826).

The spelling of 216662130214 in words is "two hundred sixteen billion, six hundred sixty-two million, one hundred thirty thousand, two hundred fourteen".