67068639868 has 6 divisors (see below), whose sum is σ = 117370119776. Its totient is φ = 33534319932.

The previous prime is 67068639857. The next prime is 67068639889. The reversal of 67068639868 is 86893686076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8383579980 + ... + 8383579987.

Almost surely, 2^67068639868 is an apocalyptic number.

It is an amenable number.

67068639868 is a deficient number, since it is larger than the sum of its proper divisors (50301479908).

67068639868 is a wasteful number, since it uses less digits than its factorization.

67068639868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767159971 (or 16767159969 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 67068639868 in words is "sixty-seven billion, sixty-eight million, six hundred thirty-nine thousand, eight hundred sixty-eight".