189137230217712 has 280 divisors, whose sum is σ = 629899456744416. Its totient is φ = 53868730572288.

The previous prime is 189137230217687. The next prime is 189137230217723. The reversal of 189137230217712 is 217712032731981.

It is a happy number.

189137230217712 is a `hidden beast` number, since 1 + 8 + 91 + 3 + 72 + 302 + 177 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 22228638 + ... + 29536194.

Almost surely, 2^{189137230217712} is an apocalyptic number.

189137230217712 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 189137230217712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314949728372208).

189137230217712 is an abundant number, since it is smaller than the sum of its proper divisors (440762226526704).

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

189137230217712 is an equidigital number, since it uses as much as digits as its factorization.

189137230217712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307907 (or 7307886 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 189137230217712 in words is "one hundred eighty-nine trillion, one hundred thirty-seven billion, two hundred thirty million, two hundred seventeen thousand, seven hundred twelve".