189351073184 has 144 divisors (see below), whose sum is σ = 467614159488. Its totient is φ = 74810469888.

The previous prime is 189351073151. The next prime is 189351073189. The reversal of 189351073184 is 481370153981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189351073189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16770389 + ... + 16781675.

It is an arithmetic number, because the mean of its divisors is an integer number (3247320552).

Almost surely, 2^189351073184 is an apocalyptic number.

189351073184 is a gapful number since it is divisible by the number (14) 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 189351073184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233807079744).

189351073184 is an abundant number, since it is smaller than the sum of its proper divisors (278263086304).

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

189351073184 is a wasteful number, since it uses less digits than its factorization.

189351073184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12147 (or 12132 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 189351073184 in words is "one hundred eighty-nine billion, three hundred fifty-one million, seventy-three thousand, one hundred eighty-four".