168357378 has 64 divisors (see below), whose sum is σ = 403476480. Its totient is φ = 45790272.

The previous prime is 168357323. The next prime is 168357403. The reversal of 168357378 is 873753861.

168357378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383283 + ... + 383721.

It is an arithmetic number, because the mean of its divisors is an integer number (6304320).

Almost surely, 2^168357378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168357378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201738240).

168357378 is an abundant number, since it is smaller than the sum of its proper divisors (235119102).

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

168357378 is a wasteful number, since it uses less digits than its factorization.

168357378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its digits is 846720, while the sum is 48.

The square root of 168357378 is about 12975.2602286043. The cubic root of 168357378 is about 552.1758195970.

The spelling of 168357378 in words is "one hundred sixty-eight million, three hundred fifty-seven thousand, three hundred seventy-eight".