68308652168 has 32 divisors (see below), whose sum is σ = 128726400000. Its totient is φ = 33981716160.

The previous prime is 68308652149. The next prime is 68308652207. The reversal of 68308652168 is 86125680386.

It is a super-2 number, since 2×68308652168² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9700793 + ... + 9707831.

It is an arithmetic number, because the mean of its divisors is an integer number (4022700000).

Almost surely, 2^68308652168 is an apocalyptic number.

It is an amenable number.

68308652168 is a deficient number, since it is larger than the sum of its proper divisors (60417747832).

68308652168 is a wasteful number, since it uses less digits than its factorization.

68308652168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005 (or 13001 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 68308652168 in words is "sixty-eight billion, three hundred eight million, six hundred fifty-two thousand, one hundred sixty-eight".