68115311416656 has 100 divisors (see below), whose sum is σ = 225309112132192. Its totient is φ = 19461517545024.

The previous prime is 68115311416601. The next prime is 68115311416661. The reversal of 68115311416656 is 65661411351186.

68115311416656 is a `hidden beast` number, since 6 + 8 + 1 + 1 + 531 + 1 + 41 + 6 + 65 + 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, 3754141690 + ... + 3754159833.

Almost surely, 2^{68115311416656} is an apocalyptic number.

It is an amenable number.

68115311416656 is an abundant number, since it is smaller than the sum of its proper divisors (157193800715536).

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

68115311416656 is a wasteful number, since it uses less digits than its factorization.

68115311416656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508301550 (or 7508301535 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 68115311416656 in words is "sixty-eight trillion, one hundred fifteen billion, three hundred eleven million, four hundred sixteen thousand, six hundred fifty-six".