168211839432 has 192 divisors, whose sum is σ = 522466346880. Its totient is φ = 44189024256.

The previous prime is 168211839421. The next prime is 168211839443. The reversal of 168211839432 is 234938112861.

168211839432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168211839421) and next prime (168211839443).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 7285218 + ... + 7308270.

It is an arithmetic number, because the mean of its divisors is an integer number (2721178890).

Almost surely, 2^168211839432 is an apocalyptic number.

168211839432 is a gapful number since it is divisible by the number (12) 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 168211839432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261233173440).

168211839432 is an abundant number, since it is smaller than the sum of its proper divisors (354254507448).

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

168211839432 is a wasteful number, since it uses less digits than its factorization.

168211839432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23352 (or 23335 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 168211839432 in words is "one hundred sixty-eight billion, two hundred eleven million, eight hundred thirty-nine thousand, four hundred thirty-two".