68373701856 has 120 divisors (see below), whose sum is σ = 206520181560. Its totient is φ = 22175223552.

The previous prime is 68373701839. The next prime is 68373701971. The reversal of 68373701856 is 65810737386.

68373701856 is a `hidden beast` number, since 68 + 37 + 370 + 185 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 260566 + ... + 452373.

It is an arithmetic number, because the mean of its divisors is an integer number (1721001513).

Almost surely, 2^68373701856 is an apocalyptic number.

It is an amenable number.

68373701856 is an abundant number, since it is smaller than the sum of its proper divisors (138146479704).

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

68373701856 is a wasteful number, since it uses less digits than its factorization.

68373701856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712998 (or 712981 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 68373701856 in words is "sixty-eight billion, three hundred seventy-three million, seven hundred one thousand, eight hundred fifty-six".