243164532403056 has 120 divisors (see below), whose sum is σ = 690901487755920. Its totient is φ = 73640536386560.

The previous prime is 243164532402997. The next prime is 243164532403061. The reversal of 243164532403056 is 650304235461342.

243164532403056 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 243164532402996 and 243164532403014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3609741 + ... + 22346348.

It is an arithmetic number, because the mean of its divisors is an integer number (5757512397966).

Almost surely, 2^{243164532403056} 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 243164532403056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345450743877960).

243164532403056 is an abundant number, since it is smaller than the sum of its proper divisors (447736955352864).

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

243164532403056 is a wasteful number, since it uses less digits than its factorization.

243164532403056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25957735 (or 25957718 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

Adding to 243164532403056 its reverse (650304235461342), we get a palindrome (893468767864398).

The spelling of 243164532403056 in words is "two hundred forty-three trillion, one hundred sixty-four billion, five hundred thirty-two million, four hundred three thousand, fifty-six".