168328914912 has 144 divisors (see below), whose sum is σ = 498266037360. Its totient is φ = 55900357632.

The previous prime is 168328914899. The next prime is 168328914913. The reversal of 168328914912 is 219419823861.

It is a happy number.

168328914912 is a `hidden beast` number, since 1 + 68 + 3 + 2 + 8 + 91 + 491 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168328914913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2051508 + ... + 2131980.

It is an arithmetic number, because the mean of its divisors is an integer number (3460180815).

Almost surely, 2^168328914912 is an apocalyptic number.

168328914912 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 168328914912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249133018680).

168328914912 is an abundant number, since it is smaller than the sum of its proper divisors (329937122448).

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

168328914912 is an equidigital number, since it uses as much as digits as its factorization.

168328914912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80767 (or 80747 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The spelling of 168328914912 in words is "one hundred sixty-eight billion, three hundred twenty-eight million, nine hundred fourteen thousand, nine hundred twelve".