168396288 has 80 divisors (see below), whose sum is σ = 475081200. Its totient is φ = 52822016.

The previous prime is 168396269. The next prime is 168396289. The reversal of 168396288 is 882693861.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 168396288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168396289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22888 + ... + 29336.

It is an arithmetic number, because the mean of its divisors is an integer number (5938515).

Almost surely, 2^168396288 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 168396288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237540600).

168396288 is an abundant number, since it is smaller than the sum of its proper divisors (306684912).

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

168396288 is an equidigital number, since it uses as much as digits as its factorization.

168396288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487 (or 6471 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 168396288 is about 12976.7595338744. The cubic root of 168396288 is about 552.2183551176.

The spelling of 168396288 in words is "one hundred sixty-eight million, three hundred ninety-six thousand, two hundred eighty-eight".