189141573852 has 192 divisors, whose sum is σ = 631089070080. Its totient is φ = 47542852800.

The previous prime is 189141573809. The next prime is 189141573853. The reversal of 189141573852 is 258375141981.

189141573852 is a `hidden beast` number, since 1 + 8 + 9 + 14 + 1 + 573 + 8 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189141573853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109048 + ... + 624639.

It is an arithmetic number, because the mean of its divisors is an integer number (3286922240).

Almost surely, 2^189141573852 is an apocalyptic number.

189141573852 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 189141573852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315544535040).

189141573852 is an abundant number, since it is smaller than the sum of its proper divisors (441947496228).

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

189141573852 is a wasteful number, since it uses less digits than its factorization.

189141573852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733749 (or 733741 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The spelling of 189141573852 in words is "one hundred eighty-nine billion, one hundred forty-one million, five hundred seventy-three thousand, eight hundred fifty-two".