68100370380067 has 4 divisors (see below), whose sum is σ = 68100416179120. Its totient is φ = 68100324581016.

The previous prime is 68100370380059. The next prime is 68100370380137. The reversal of 68100370380067 is 76008307300186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68100370380067 - 2³ = 68100370380059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68100370380067.

It is not an unprimeable number, because it can be changed into a prime (68100370380467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20591583 + ... + 23668840.

It is an arithmetic number, because the mean of its divisors is an integer number (17025104044780).

Almost surely, 2^{68100370380067} is an apocalyptic number.

68100370380067 is a deficient number, since it is larger than the sum of its proper divisors (45799053).

68100370380067 is a wasteful number, since it uses less digits than its factorization.

68100370380067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45799052.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 68100370380067 in words is "sixty-eight trillion, one hundred billion, three hundred seventy million, three hundred eighty thousand, sixty-seven".