168151680324 has 96 divisors (see below), whose sum is σ = 444311347200. Its totient is φ = 54982398240.

The previous prime is 168151680293. The next prime is 168151680331. The reversal of 168151680324 is 423086151861.

168151680324 is a `hidden beast` number, since 168 + 1 + 5 + 168 + 0 + 324 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 168151680324.

It is an unprimeable number.

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, 1680789 + ... + 1778019.

It is an arithmetic number, because the mean of its divisors is an integer number (4628243200).

Almost surely, 2^168151680324 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 168151680324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222155673600).

168151680324 is an abundant number, since it is smaller than the sum of its proper divisors (276159666876).

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

168151680324 is a wasteful number, since it uses less digits than its factorization.

168151680324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97550 (or 97542 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 168151680324 in words is "one hundred sixty-eight billion, one hundred fifty-one million, six hundred eighty thousand, three hundred twenty-four".