243336016 has 80 divisors (see below), whose sum is σ = 590819328. Its totient is φ = 94320000.

The previous prime is 243335969. The next prime is 243336029. The reversal of 243336016 is 610633342.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323641 + ... + 324391.

Almost surely, 2^243336016 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 243336016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295409664).

243336016 is an abundant number, since it is smaller than the sum of its proper divisors (347483312).

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

243336016 is a wasteful number, since it uses less digits than its factorization.

243336016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 243336016 is about 15599.2312631104. The cubic root of 243336016 is about 624.3126446653.

Adding to 243336016 its reverse (610633342), we get a palindrome (853969358).

The spelling of 243336016 in words is "two hundred forty-three million, three hundred thirty-six thousand, sixteen".