168289704 has 192 divisors, whose sum is σ = 528595200. Its totient is φ = 49547520.

The previous prime is 168289703. The next prime is 168289711. The reversal of 168289704 is 407982861.

It is a self number, because there is not a number n which added to its sum of digits gives 168289704.

It is not an unprimeable number, because it can be changed into a prime (168289703) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1228324 + ... + 1228460.

It is an arithmetic number, because the mean of its divisors is an integer number (2753100).

Almost surely, 2^168289704 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 168289704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264297600).

168289704 is an abundant number, since it is smaller than the sum of its proper divisors (360305496).

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

168289704 is a wasteful number, since it uses less digits than its factorization.

168289704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 168289704 is about 12972.6521575197. The cubic root of 168289704 is about 552.1018243161.

The spelling of 168289704 in words is "one hundred sixty-eight million, two hundred eighty-nine thousand, seven hundred four".