68177395722012 has 24 divisors (see below), whose sum is σ = 159084326461200. Its totient is φ = 22725264796416.

The previous prime is 68177395721993. The next prime is 68177395722131. The reversal of 68177395722012 is 21022759377186.

It is a happy 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, 66189837 + ... + 67211972.

It is an arithmetic number, because the mean of its divisors is an integer number (6628513602550).

Almost surely, 2^{68177395722012} is an apocalyptic number.

It is an amenable number.

68177395722012 is an abundant number, since it is smaller than the sum of its proper divisors (90906930739188).

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

68177395722012 is a wasteful number, since it uses less digits than its factorization.

68177395722012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133444405 (or 133444403 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 68177395722012 in words is "sixty-eight trillion, one hundred seventy-seven billion, three hundred ninety-five million, seven hundred twenty-two thousand, twelve".