67816361108 has 18 divisors (see below), whose sum is σ = 121643844798. Its totient is φ = 33081148480.

The previous prime is 67816361083. The next prime is 67816361153. The reversal of 67816361108 is 80116361876.

67816361108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 11963546884 + 55852814224 = 109378^2 + 236332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5036135 + ... + 5049582.

Almost surely, 2^67816361108 is an apocalyptic number.

It is an amenable number.

67816361108 is a deficient number, since it is larger than the sum of its proper divisors (53827483690).

67816361108 is a wasteful number, since it uses less digits than its factorization.

67816361108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085803 (or 10085760 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 67816361108 in words is "sixty-seven billion, eight hundred sixteen million, three hundred sixty-one thousand, one hundred eight".