168336378 has 24 divisors (see below), whose sum is σ = 416833248. Its totient is φ = 48096072.

The previous prime is 168336373. The next prime is 168336391. The reversal of 168336378 is 873633861.

168336378 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 3 + 637 + 8 = 666.

168336378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168336373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667876 + ... + 668127.

It is an arithmetic number, because the mean of its divisors is an integer number (17368052).

Almost surely, 2^168336378 is an apocalyptic number.

168336378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

168336378 is an abundant number, since it is smaller than the sum of its proper divisors (248496870).

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

168336378 is a wasteful number, since it uses less digits than its factorization.

168336378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336018 (or 1336015 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 168336378 is about 12974.4509710431. The cubic root of 168336378 is about 552.1528601549.

The spelling of 168336378 in words is "one hundred sixty-eight million, three hundred thirty-six thousand, three hundred seventy-eight".