68186085732 has 72 divisors (see below), whose sum is σ = 176598886464. Its totient is φ = 22171012416.

The previous prime is 68186085727. The next prime is 68186085739. The reversal of 68186085732 is 23758068186.

68186085732 is a `hidden beast` number, since 6 + 8 + 1 + 8 + 60 + 8 + 573 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (68186085739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1168113 + ... + 1225095.

It is an arithmetic number, because the mean of its divisors is an integer number (2452762312).

Almost surely, 2^68186085732 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 68186085732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88299443232).

68186085732 is an abundant number, since it is smaller than the sum of its proper divisors (108412800732).

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

68186085732 is a wasteful number, since it uses less digits than its factorization.

68186085732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57809 (or 57804 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 68186085732 in words is "sixty-eight billion, one hundred eighty-six million, eighty-five thousand, seven hundred thirty-two".