68322680068 has 24 divisors (see below), whose sum is σ = 122281084800. Its totient is φ = 33387280608.

The previous prime is 68322680033. The next prime is 68322680087. The reversal of 68322680068 is 86008622386.

68322680068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×68322680068² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122998 + ... + 389581.

It is an arithmetic number, because the mean of its divisors is an integer number (5095045200).

Almost surely, 2^68322680068 is an apocalyptic number.

It is an amenable number.

68322680068 is a deficient number, since it is larger than the sum of its proper divisors (53958404732).

68322680068 is a wasteful number, since it uses less digits than its factorization.

68322680068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513339 (or 513337 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 68322680068 in words is "sixty-eight billion, three hundred twenty-two million, six hundred eighty thousand, sixty-eight".