168030144 has 84 divisors (see below), whose sum is σ = 485631744. Its totient is φ = 55544832.

The previous prime is 168030127. The next prime is 168030151. The reversal of 168030144 is 441030861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72004 + ... + 74300.

Almost surely, 2^168030144 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 168030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242815872).

168030144 is an abundant number, since it is smaller than the sum of its proper divisors (317601600).

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

168030144 is a wasteful number, since it uses less digits than its factorization.

168030144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 168030144 is about 12962.6441747045. The cubic root of 168030144 is about 551.8178352908.

The spelling of 168030144 in words is "one hundred sixty-eight million, thirty thousand, one hundred forty-four".