216022337500 has 144 divisors (see below), whose sum is σ = 499694517504. Its totient is φ = 81576000000.

The previous prime is 216022337497. The next prime is 216022337501. The reversal of 216022337500 is 5733220612.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216022337501) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 15880702 + ... + 15894298.

It is an arithmetic number, because the mean of its divisors is an integer number (3470100816).

Almost surely, 2^216022337500 is an apocalyptic number.

216022337500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216022337500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249847258752).

216022337500 is an abundant number, since it is smaller than the sum of its proper divisors (283672180004).

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

216022337500 is a wasteful number, since it uses less digits than its factorization.

216022337500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13698 (or 13676 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 216022337500 in words is "two hundred sixteen billion, twenty-two million, three hundred thirty-seven thousand, five hundred".