243312163152 has 160 divisors (see below), whose sum is σ = 640212273792. Its totient is φ = 79617196032.

The previous prime is 243312163151. The next prime is 243312163153. The reversal of 243312163152 is 251361213342.

It is an interprime number because it is at equal distance from previous prime (243312163151) and next prime (243312163153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243312163151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521010823 + ... + 521011289.

Almost surely, 2^243312163152 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 243312163152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320106136896).

243312163152 is an abundant number, since it is smaller than the sum of its proper divisors (396900110640).

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

243312163152 is a wasteful number, since it uses less digits than its factorization.

243312163152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1239 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 243312163152 its reverse (251361213342), we get a palindrome (494673376494).

The spelling of 243312163152 in words is "two hundred forty-three billion, three hundred twelve million, one hundred sixty-three thousand, one hundred fifty-two".