67143018768 has 80 divisors (see below), whose sum is σ = 199745120256. Its totient is φ = 19037266560.

The previous prime is 67143018743. The next prime is 67143018793. The reversal of 67143018768 is 86781034176.

It is an interprime number because it is at equal distance from previous prime (67143018743) and next prime (67143018793).

It is a self number, because there is not a number n which added to its sum of digits gives 67143018768.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718696 + ... + 806727.

Almost surely, 2^67143018768 is an apocalyptic number.

It is an amenable number.

67143018768 is an abundant number, since it is smaller than the sum of its proper divisors (132602101488).

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

67143018768 is a wasteful number, since it uses less digits than its factorization.

67143018768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525572 (or 1525566 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 67143018768 in words is "sixty-seven billion, one hundred forty-three million, eighteen thousand, seven hundred sixty-eight".