68126810982912 has 240 divisors, whose sum is σ = 216058670860032. Its totient is φ = 20493796392960.

The previous prime is 68126810982889. The next prime is 68126810982949. The reversal of 68126810982912 is 21928901862186.

68126810982912 is a `hidden beast` number, since 6 + 81 + 268 + 1 + 0 + 9 + 8 + 291 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68126810982912.

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, 2038993 + ... + 11849519.

Almost surely, 2^{68126810982912} 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 68126810982912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108029335430016).

68126810982912 is an abundant number, since it is smaller than the sum of its proper divisors (147931859877120).

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

68126810982912 is a wasteful number, since it uses less digits than its factorization.

68126810982912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810699 (or 9810680 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The spelling of 68126810982912 in words is "sixty-eight trillion, one hundred twenty-six billion, eight hundred ten million, nine hundred eighty-two thousand, nine hundred twelve".