68381812608116 has 72 divisors (see below), whose sum is σ = 139351048452000. Its totient is φ = 29275926458688.

The previous prime is 68381812608101. The next prime is 68381812608127. The reversal of 68381812608116 is 61180621818386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2249164571 + ... + 2249194973.

It is an arithmetic number, because the mean of its divisors is an integer number (1935431228500).

Almost surely, 2^{68381812608116} is an apocalyptic number.

It is an amenable number.

68381812608116 is an abundant number, since it is smaller than the sum of its proper divisors (70969235843884).

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

68381812608116 is a wasteful number, since it uses less digits than its factorization.

68381812608116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42013 (or 42004 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 59.

The spelling of 68381812608116 in words is "sixty-eight trillion, three hundred eighty-one billion, eight hundred twelve million, six hundred eight thousand, one hundred sixteen".