68193118 has 16 divisors (see below), whose sum is σ = 120674304. Its totient is φ = 28282680.

The previous prime is 68193101. The next prime is 68193161. The reversal of 68193118 is 81139186.

It is a congruent number.

It is an unprimeable number.

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, 78130 + ... + 78997.

It is an arithmetic number, because the mean of its divisors is an integer number (7542144).

Almost surely, 2^68193118 is an apocalyptic number.

68193118 is a deficient number, since it is larger than the sum of its proper divisors (52481186).

68193118 is a wasteful number, since it uses less digits than its factorization.

68193118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157167.

The product of its digits is 10368, while the sum is 37.

The square root of 68193118 is about 8257.9124480706. The cubic root of 68193118 is about 408.5515376678.

The spelling of 68193118 in words is "sixty-eight million, one hundred ninety-three thousand, one hundred eighteen".