216282612 has 192 divisors, whose sum is σ = 656377344. Its totient is φ = 53913600.

The previous prime is 216282611. The next prime is 216282617.

216282612 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 216282612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216282611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2141362 + ... + 2141462.

It is an arithmetic number, because the mean of its divisors is an integer number (3418632).

Almost surely, 2^216282612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216282612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328188672).

216282612 is an abundant number, since it is smaller than the sum of its proper divisors (440094732).

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

216282612 is a wasteful number, since it uses less digits than its factorization.

216282612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 216282612 is about 14706.5499693164. The cubic root of 216282612 is about 600.2615637352.

The spelling of 216282612 in words is "two hundred sixteen million, two hundred eighty-two thousand, six hundred twelve".