168240192 has 56 divisors (see below), whose sum is σ = 449275200. Its totient is φ = 55558656.

The previous prime is 168240169. The next prime is 168240197. The reversal of 168240192 is 291042861.

It is not an unprimeable number, because it can be changed into a prime (168240197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16909 + ... + 24947.

Almost surely, 2^168240192 is an apocalyptic number.

168240192 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 168240192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224637600).

168240192 is an abundant number, since it is smaller than the sum of its proper divisors (281035008).

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

168240192 is a wasteful number, since it uses less digits than its factorization.

168240192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163 (or 8153 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 168240192 is about 12970.7436949467. The cubic root of 168240192 is about 552.0476749413.

The spelling of 168240192 in words is "one hundred sixty-eight million, two hundred forty thousand, one hundred ninety-two".