68345043387168 has 96 divisors (see below), whose sum is σ = 180786751371072. Its totient is φ = 22606982553600.

The previous prime is 68345043387151. The next prime is 68345043387169. The reversal of 68345043387168 is 86178334054386.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 68345043387099 and 68345043387108.

It is not an unprimeable number, because it can be changed into a prime (68345043387169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328308 + ... + 11766668.

It is an arithmetic number, because the mean of its divisors is an integer number (1883195326782).

Almost surely, 2^{68345043387168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68345043387168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90393375685536).

68345043387168 is an abundant number, since it is smaller than the sum of its proper divisors (112441707983904).

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

68345043387168 is a wasteful number, since it uses less digits than its factorization.

68345043387168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438898 (or 10438890 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 66.

The spelling of 68345043387168 in words is "sixty-eight trillion, three hundred forty-five billion, forty-three million, three hundred eighty-seven thousand, one hundred sixty-eight".