189790298068 has 24 divisors (see below), whose sum is σ = 379589817152. Its totient is φ = 81336723264.

The previous prime is 189790298039. The next prime is 189790298099. The reversal of 189790298068 is 860892097981.

189790298068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 189790297994 and 189790298012.

It is a congruent number.

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, 2262280 + ... + 2344672.

Almost surely, 2^189790298068 is an apocalyptic number.

It is an amenable number.

189790298068 is an abundant number, since it is smaller than the sum of its proper divisors (189799519084).

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

189790298068 is a wasteful number, since it uses less digits than its factorization.

189790298068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164671 (or 164669 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 67.

The spelling of 189790298068 in words is "one hundred eighty-nine billion, seven hundred ninety million, two hundred ninety-eight thousand, sixty-eight".