68200740816 has 40 divisors (see below), whose sum is σ = 189737960160. Its totient is φ = 20984843136.

The previous prime is 68200740799. The next prime is 68200740821. The reversal of 68200740816 is 61804700286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54647406 + ... + 54648653.

It is an arithmetic number, because the mean of its divisors is an integer number (4743449004).

Almost surely, 2^68200740816 is an apocalyptic number.

It is an amenable number.

68200740816 is an abundant number, since it is smaller than the sum of its proper divisors (121537219344).

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

68200740816 is a wasteful number, since it uses less digits than its factorization.

68200740816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109296083 (or 109296077 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 68200740816 in words is "sixty-eight billion, two hundred million, seven hundred forty thousand, eight hundred sixteen".