67871618608 has 20 divisors (see below), whose sum is σ = 131514160680. Its totient is φ = 33932480384.

The previous prime is 67871618587. The next prime is 67871618621. The reversal of 67871618608 is 80681617876.

It is a super-2 number, since 2×67871618608² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35518 + ... + 370141.

It is an arithmetic number, because the mean of its divisors is an integer number (6575708034).

Almost surely, 2^67871618608 is an apocalyptic number.

It is an amenable number.

67871618608 is a deficient number, since it is larger than the sum of its proper divisors (63642542072).

67871618608 is a wasteful number, since it uses less digits than its factorization.

67871618608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416124 (or 416118 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 67871618608 in words is "sixty-seven billion, eight hundred seventy-one million, six hundred eighteen thousand, six hundred eight".