68006668242828 has 24 divisors (see below), whose sum is σ = 181351115314432. Its totient is φ = 19430476640784.

The previous prime is 68006668242827. The next prime is 68006668242857. The reversal of 68006668242828 is 82824286660086.

It is not an unprimeable number, because it can be changed into a prime (68006668242823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404801596600 + ... + 404801596767.

Almost surely, 2^{68006668242828} is an apocalyptic number.

It is an amenable number.

68006668242828 is an abundant number, since it is smaller than the sum of its proper divisors (113344447071604).

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

68006668242828 is a wasteful number, since it uses less digits than its factorization.

68006668242828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809603193381 (or 809603193379 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 66.

The spelling of 68006668242828 in words is "sixty-eight trillion, six billion, six hundred sixty-eight million, two hundred forty-two thousand, eight hundred twenty-eight".