189589148112 has 240 divisors, whose sum is σ = 614446006272. Its totient is φ = 49929384960.

The previous prime is 189589148107. The next prime is 189589148129. The reversal of 189589148112 is 211841985981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23141937 + ... + 23150127.

Almost surely, 2^189589148112 is an apocalyptic number.

189589148112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189589148112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307223003136).

189589148112 is an abundant number, since it is smaller than the sum of its proper divisors (424856858160).

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

189589148112 is a wasteful number, since it uses less digits than its factorization.

189589148112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986 (or 8973 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 57.

The spelling of 189589148112 in words is "one hundred eighty-nine billion, five hundred eighty-nine million, one hundred forty-eight thousand, one hundred twelve".