168353768 has 48 divisors (see below), whose sum is σ = 350114400. Its totient is φ = 75265920.

The previous prime is 168353743. The next prime is 168353789. The reversal of 168353768 is 867353861.

It is a happy number.

168353768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468773 + ... + 469131.

It is an arithmetic number, because the mean of its divisors is an integer number (7294050).

Almost surely, 2^168353768 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 168353768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175057200).

168353768 is an abundant number, since it is smaller than the sum of its proper divisors (181760632).

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

168353768 is a wasteful number, since it uses less digits than its factorization.

168353768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 445 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 168353768 is about 12975.1211169684. The cubic root of 168353768 is about 552.1718728954.

The spelling of 168353768 in words is "one hundred sixty-eight million, three hundred fifty-three thousand, seven hundred sixty-eight".