163212544002432 has 128 divisors (see below), whose sum is σ = 473842870272000. Its totient is φ = 49552195461120.

The previous prime is 163212544002427. The next prime is 163212544002439. The reversal of 163212544002432 is 234200445212361.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163212544002439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403054432 + ... + 403459167.

It is an arithmetic number, because the mean of its divisors is an integer number (3701897424000).

Almost surely, 2^{163212544002432} is an apocalyptic number.

163212544002432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163212544002432 is an abundant number, since it is smaller than the sum of its proper divisors (310630326269568).

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

163212544002432 is a wasteful number, since it uses less digits than its factorization.

163212544002432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806513664 (or 806513652 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 163212544002432 its reverse (234200445212361), we get a palindrome (397412989214793).

The spelling of 163212544002432 in words is "one hundred sixty-three trillion, two hundred twelve billion, five hundred forty-four million, two thousand, four hundred thirty-two".