68186085730 has 48 divisors (see below), whose sum is σ = 142811484480. Its totient is φ = 23371836768.

The previous prime is 68186085727. The next prime is 68186085739. The reversal of 68186085730 is 3758068186.

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, 2050819 + ... + 2083801.

It is an arithmetic number, because the mean of its divisors is an integer number (2975239260).

Almost surely, 2^68186085730 is an apocalyptic number.

68186085730 is an abundant number, since it is smaller than the sum of its proper divisors (74625398750).

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

68186085730 is a wasteful number, since it uses less digits than its factorization.

68186085730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37223 (or 37216 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 68186085730 in words is "sixty-eight billion, one hundred eighty-six million, eighty-five thousand, seven hundred thirty".