68581107425376 has 432 divisors, whose sum is σ = 254984110958304. Its totient is φ = 17023362859008.

The previous prime is 68581107425371. The next prime is 68581107425407. The reversal of 68581107425376 is 67352470118586.

It is a happy number.

68581107425376 is a `hidden beast` number, since 6 + 8 + 5 + 81 + 10 + 7 + 4 + 2 + 537 + 6 = 666.

68581107425376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68581107425371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3046776 + ... + 12101448.

Almost surely, 2^{68581107425376} 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 68581107425376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127492055479152).

68581107425376 is an abundant number, since it is smaller than the sum of its proper divisors (186403003532928).

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

68581107425376 is a wasteful number, since it uses less digits than its factorization.

68581107425376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054743 (or 9054715 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 68581107425376 in words is "sixty-eight trillion, five hundred eighty-one billion, one hundred seven million, four hundred twenty-five thousand, three hundred seventy-six".