189506016 has 288 divisors, whose sum is σ = 662957568. Its totient is φ = 50181120.

The previous prime is 189506003. The next prime is 189506017. The reversal of 189506016 is 610605981.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189506017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2828415 + ... + 2828481.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^189506016 is an apocalyptic number.

189506016 is a gapful number since it is divisible by the number (16) 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 189506016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331478784).

189506016 is an abundant number, since it is smaller than the sum of its proper divisors (473451552).

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

189506016 is a wasteful number, since it uses less digits than its factorization.

189506016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 189506016 is about 13766.1184071618. The cubic root of 189506016 is about 574.3910538821.

The spelling of 189506016 in words is "one hundred eighty-nine million, five hundred six thousand, sixteen".