68006834160 has 40 divisors (see below), whose sum is σ = 210821186640. Its totient is φ = 18135155712.

The previous prime is 68006834117. The next prime is 68006834167. The reversal of 68006834160 is 6143860086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68006834167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141680665 + ... + 141681144.

It is an arithmetic number, because the mean of its divisors is an integer number (5270529666).

Almost surely, 2^68006834160 is an apocalyptic number.

68006834160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68006834160 is an abundant number, since it is smaller than the sum of its proper divisors (142814352480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68006834160 is a wasteful number, since it uses less digits than its factorization.

68006834160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283361825 (or 283361819 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 68006834160 in words is "sixty-eight billion, six million, eight hundred thirty-four thousand, one hundred sixty".