68235408158 has 8 divisors (see below), whose sum is σ = 102504300552. Its totient is φ = 34067307976.

The previous prime is 68235408121. The next prime is 68235408247. The reversal of 68235408158 is 85180453286.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25196360 + ... + 25199067.

It is an arithmetic number, because the mean of its divisors is an integer number (12813037569).

Almost surely, 2^68235408158 is an apocalyptic number.

68235408158 is a deficient number, since it is larger than the sum of its proper divisors (34268892394).

68235408158 is a wasteful number, since it uses less digits than its factorization.

68235408158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50396106.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 68235408158 in words is "sixty-eight billion, two hundred thirty-five million, four hundred eight thousand, one hundred fifty-eight".