189017260068 has 96 divisors (see below), whose sum is σ = 542966651136. Its totient is φ = 49837128192.

The previous prime is 189017260049. The next prime is 189017260079. The reversal of 189017260068 is 860062710981.

It is a super-2 number, since 2×189017260068² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189017259999 and 189017260026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4360630 + ... + 4403762.

It is an arithmetic number, because the mean of its divisors is an integer number (5655902616).

Almost surely, 2^189017260068 is an apocalyptic number.

It is an amenable number.

189017260068 is an abundant number, since it is smaller than the sum of its proper divisors (353949391068).

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

189017260068 is a wasteful number, since it uses less digits than its factorization.

189017260068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47173 (or 47171 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 189017260068 in words is "one hundred eighty-nine billion, seventeen million, two hundred sixty thousand, sixty-eight".