68651701158 has 16 divisors (see below), whose sum is σ = 137363466240. Its totient is φ = 22873889736.

The previous prime is 68651701121. The next prime is 68651701163. The reversal of 68651701158 is 85110715686.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487798 + ... + 2515241.

It is an arithmetic number, because the mean of its divisors is an integer number (8585216640).

Almost surely, 2^68651701158 is an apocalyptic number.

68651701158 is an abundant number, since it is smaller than the sum of its proper divisors (68711765082).

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

68651701158 is a wasteful number, since it uses less digits than its factorization.

68651701158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005331.

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 68651701158 in words is "sixty-eight billion, six hundred fifty-one million, seven hundred one thousand, one hundred fifty-eight".