68156834 has 16 divisors (see below), whose sum is σ = 104431680. Its totient is φ = 33349680.

The previous prime is 68156833. The next prime is 68156839. The reversal of 68156834 is 43865186.

It is a junction number, because it is equal to n+sod(n) for n = 68156791 and 68156800.

It is not an unprimeable number, because it can be changed into a prime (68156833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66377 + ... + 67395.

It is an arithmetic number, because the mean of its divisors is an integer number (6526980).

Almost surely, 2^68156834 is an apocalyptic number.

68156834 is a deficient number, since it is larger than the sum of its proper divisors (36274846).

68156834 is a wasteful number, since it uses less digits than its factorization.

68156834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its digits is 138240, while the sum is 41.

The square root of 68156834 is about 8255.7152324920. The cubic root of 68156834 is about 408.4790644997.

The spelling of 68156834 in words is "sixty-eight million, one hundred fifty-six thousand, eight hundred thirty-four".