68228918802 has 162 divisors, whose sum is σ = 169162868511. Its totient is φ = 19859051520.

The previous prime is 68228918789. The next prime is 68228918819. The reversal of 68228918802 is 20881982286.

It is a happy number.

68228918802 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 5 ways, for example, as 17977178241 + 50251740561 = 134079^2 + 224169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184701.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 353517618 + ... + 353517810.

Almost surely, 2^68228918802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68228918802

68228918802 is an abundant number, since it is smaller than the sum of its proper divisors (100933949709).

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

68228918802 is a wasteful number, since it uses less digits than its factorization.

68228918802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 68228918802 in words is "sixty-eight billion, two hundred twenty-eight million, nine hundred eighteen thousand, eight hundred two".