189000263088000 has 3072 divisors, whose sum is σ = 865462081536000. Its totient is φ = 39694211481600.

The previous prime is 189000263087959. The next prime is 189000263088023. The reversal of 189000263088000 is 880362000981.

189000263088000 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 0 + 0 + 2 + 630 + 8 + 8 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 131341391281 + ... + 131341392719.

It is an arithmetic number, because the mean of its divisors is an integer number (281725938000).

Almost surely, 2^{189000263088000} is an apocalyptic number.

189000263088000 is a gapful number since it is divisible by the number (10) 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 189000263088000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432731040768000).

189000263088000 is an abundant number, since it is smaller than the sum of its proper divisors (676461818448000).

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

189000263088000 is a wasteful number, since it uses less digits than its factorization.

189000263088000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 189000263088000 in words is "one hundred eighty-nine trillion, two hundred sixty-three million, eighty-eight thousand".