68306163 has 8 divisors (see below), whose sum is σ = 91174848. Its totient is φ = 45487464.

The previous prime is 68306149. The next prime is 68306167. The reversal of 68306163 is 36160386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68306163 - 2⁵ = 68306131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68306167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9181 + ... + 14862.

It is an arithmetic number, because the mean of its divisors is an integer number (11396856).

Almost surely, 2^68306163 is an apocalyptic number.

68306163 is a deficient number, since it is larger than the sum of its proper divisors (22868685).

68306163 is a wasteful number, since it uses less digits than its factorization.

68306163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24993.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 68306163 is about 8264.7542613196. The cubic root of 68306163 is about 408.7771675309. Note that the first 3 decimals are identical.

The spelling of 68306163 in words is "sixty-eight million, three hundred six thousand, one hundred sixty-three".