168453499824 has 160 divisors (see below), whose sum is σ = 492743908800. Its totient is φ = 55085322240.

The previous prime is 168453499811. The next prime is 168453499829. The reversal of 168453499824 is 428994354861.

168453499824 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 534 + 9 + 98 + 2 + 4 = 666.

168453499824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168453499829) 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 31 ways as a sum of consecutive naturals, for example, 10242712 + ... + 10259144.

It is an arithmetic number, because the mean of its divisors is an integer number (3079649430).

Almost surely, 2^168453499824 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 168453499824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246371954400).

168453499824 is an abundant number, since it is smaller than the sum of its proper divisors (324290408976).

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

168453499824 is a wasteful number, since it uses less digits than its factorization.

168453499824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900 (or 16888 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 168453499824 in words is "one hundred sixty-eight billion, four hundred fifty-three million, four hundred ninety-nine thousand, eight hundred twenty-four".