68378163 has 16 divisors (see below), whose sum is σ = 104741376. Its totient is φ = 38868480.

The previous prime is 68378153. The next prime is 68378171. The reversal of 68378163 is 36187386.

It is not a de Polignac number, because 68378163 - 2⁴ = 68378147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68378153) 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 15 ways as a sum of consecutive naturals, for example, 4383 + ... + 12488.

It is an arithmetic number, because the mean of its divisors is an integer number (6546336).

Almost surely, 2^68378163 is an apocalyptic number.

68378163 is a deficient number, since it is larger than the sum of its proper divisors (36363213).

68378163 is a wasteful number, since it uses less digits than its factorization.

68378163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17074.

The product of its digits is 145152, while the sum is 42.

The square root of 68378163 is about 8269.1089604624. The cubic root of 68378163 is about 408.9207447214.

The spelling of 68378163 in words is "sixty-eight million, three hundred seventy-eight thousand, one hundred sixty-three".