68345653112 has 32 divisors (see below), whose sum is σ = 148021337520. Its totient is φ = 29238781440.

The previous prime is 68345653063. The next prime is 68345653121. The reversal of 68345653112 is 21135654386.

It is a happy number.

It is a super-2 number, since 2×68345653112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 22841303 + ... + 22844294.

Almost surely, 2^68345653112 is an apocalyptic number.

It is an amenable number.

68345653112 is an abundant number, since it is smaller than the sum of its proper divisors (79675684408).

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

68345653112 is a wasteful number, since it uses less digits than its factorization.

68345653112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45685631 (or 45685627 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 68345653112 in words is "sixty-eight billion, three hundred forty-five million, six hundred fifty-three thousand, one hundred twelve".