216343226330 has 32 divisors (see below), whose sum is σ = 485507917440. Its totient is φ = 67431654720.

The previous prime is 216343226321. The next prime is 216343226347. The reversal of 216343226330 is 33622343612.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 140481845 + ... + 140483384.

It is an arithmetic number, because the mean of its divisors is an integer number (15172122420).

Almost surely, 2^216343226330 is an apocalyptic number.

216343226330 is an abundant number, since it is smaller than the sum of its proper divisors (269164691110).

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

216343226330 is a wasteful number, since it uses less digits than its factorization.

216343226330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280965254.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 216343226330 its reverse (33622343612), we get a palindrome (249965569942).

The spelling of 216343226330 in words is "two hundred sixteen billion, three hundred forty-three million, two hundred twenty-six thousand, three hundred thirty".