67605144608 has 48 divisors (see below), whose sum is σ = 134386625016. Its totient is φ = 33475706880.

The previous prime is 67605144577. The next prime is 67605144611. The reversal of 67605144608 is 80644150676.

It can be written as a sum of positive squares in 4 ways, for example, as 50691621904 + 16913522704 = 225148^2 + 130052^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769660 + ... + 4783812.

Almost surely, 2^67605144608 is an apocalyptic number.

It is an amenable number.

67605144608 is a deficient number, since it is larger than the sum of its proper divisors (66781480408).

67605144608 is a wasteful number, since it uses less digits than its factorization.

67605144608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597 (or 15589 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 67605144608 in words is "sixty-seven billion, six hundred five million, one hundred forty-four thousand, six hundred eight".