168093408 has 96 divisors (see below), whose sum is σ = 520611840. Its totient is φ = 46471680.

The previous prime is 168093347. The next prime is 168093413. The reversal of 168093408 is 804390861.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16798 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (5423040).

Almost surely, 2^168093408 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 168093408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260305920).

168093408 is an abundant number, since it is smaller than the sum of its proper divisors (352518432).

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

168093408 is a wasteful number, since it uses less digits than its factorization.

168093408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8112 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 168093408 is about 12965.0841879257. The cubic root of 168093408 is about 551.8870804519.

The spelling of 168093408 in words is "one hundred sixty-eight million, ninety-three thousand, four hundred eight".