189688147068 has 48 divisors (see below), whose sum is σ = 505860637184. Its totient is φ = 54193872960.

The previous prime is 189688147067. The next prime is 189688147073. The reversal of 189688147068 is 860741886981.

189688147068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189688147067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2093178 + ... + 2181918.

Almost surely, 2^189688147068 is an apocalyptic number.

It is an amenable number.

189688147068 is an abundant number, since it is smaller than the sum of its proper divisors (316172490116).

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

189688147068 is a wasteful number, since it uses less digits than its factorization.

189688147068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114202 (or 114200 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 66.

The spelling of 189688147068 in words is "one hundred eighty-nine billion, six hundred eighty-eight million, one hundred forty-seven thousand, sixty-eight".