68336059663872 has 3840 divisors, whose sum is σ = 296614715443200. Its totient is φ = 15229951672320.

The previous prime is 68336059663813. The next prime is 68336059663897. The reversal of 68336059663872 is 27836695063386.

68336059663872 is a `hidden beast` number, since 6 + 8 + 3 + 3 + 605 + 9 + 6 + 6 + 3 + 8 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 68336059663872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 82431917154 + ... + 82431917982.

It is an arithmetic number, because the mean of its divisors is an integer number (77243415480).

Almost surely, 2^{68336059663872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68336059663872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148307357721600).

68336059663872 is an abundant number, since it is smaller than the sum of its proper divisors (228278655779328).

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

68336059663872 is a wasteful number, since it uses less digits than its factorization.

68336059663872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 1410877440, while the sum is 72.

The spelling of 68336059663872 in words is "sixty-eight trillion, three hundred thirty-six billion, fifty-nine million, six hundred sixty-three thousand, eight hundred seventy-two".