68652025686 has 64 divisors (see below), whose sum is σ = 159405580800. Its totient is φ = 21859836768.

The previous prime is 68652025681. The next prime is 68652025721.

68652025686 is a `hidden beast` number, since 68 + 6 + 520 + 2 + 56 + 8 + 6 = 666.

68652025686 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68652025681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903685 + ... + 976703.

It is an arithmetic number, because the mean of its divisors is an integer number (2490712200).

Almost surely, 2^68652025686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68652025686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79702790400).

68652025686 is an abundant number, since it is smaller than the sum of its proper divisors (90753555114).

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

68652025686 is a wasteful number, since it uses less digits than its factorization.

68652025686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73810 (or 73804 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 68652025686 in words is "sixty-eight billion, six hundred fifty-two million, twenty-five thousand, six hundred eighty-six".