168718368 has 288 divisors, whose sum is σ = 579156480. Its totient is φ = 42577920.

The previous prime is 168718351. The next prime is 168718411. The reversal of 168718368 is 863817861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1895668 + ... + 1895756.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^168718368 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 168718368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289578240).

168718368 is an abundant number, since it is smaller than the sum of its proper divisors (410438112).

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

168718368 is a wasteful number, since it uses less digits than its factorization.

168718368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 145 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 168718368 is about 12989.1634834580. The cubic root of 168718368 is about 552.5701942578.

The spelling of 168718368 in words is "one hundred sixty-eight million, seven hundred eighteen thousand, three hundred sixty-eight".