67542975168 has 56 divisors (see below), whose sum is σ = 181637117040. Its totient is φ = 22145233920.

The previous prime is 67542975083. The next prime is 67542975173. The reversal of 67542975168 is 86157924576.

It is a happy number.

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, 2871783 + ... + 2895206.

Almost surely, 2^67542975168 is an apocalyptic number.

It is an amenable number.

67542975168 is an abundant number, since it is smaller than the sum of its proper divisors (114094141872).

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

67542975168 is a wasteful number, since it uses less digits than its factorization.

67542975168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767065 (or 5767055 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 60.

The spelling of 67542975168 in words is "sixty-seven billion, five hundred forty-two million, nine hundred seventy-five thousand, one hundred sixty-eight".