216624251082 has 16 divisors (see below), whose sum is σ = 434249081280. Its totient is φ = 72041320512.

The previous prime is 216624251057. The next prime is 216624251111. The reversal of 216624251082 is 280152426612.

It is a self number, because there is not a number n which added to its sum of digits gives 216624251082.

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, 41687982 + ... + 41693177.

It is an arithmetic number, because the mean of its divisors is an integer number (27140567580).

Almost surely, 2^216624251082 is an apocalyptic number.

216624251082 is an abundant number, since it is smaller than the sum of its proper divisors (217624830198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216624251082 is a wasteful number, since it uses less digits than its factorization.

216624251082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83381597.

The product of its (nonzero) digits is 92160, while the sum is 39.

Adding to 216624251082 its reverse (280152426612), we get a palindrome (496776677694).

The spelling of 216624251082 in words is "two hundred sixteen billion, six hundred twenty-four million, two hundred fifty-one thousand, eighty-two".