189016 has 8 divisors (see below), whose sum is σ = 354420. Its totient is φ = 94504.

The previous prime is 189011. The next prime is 189017. The reversal of 189016 is 610981.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189011) by changing a digit.

189016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806 + ... + 11821.

2¹⁸⁹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

189016 is a deficient number, since it is larger than the sum of its proper divisors (165404).

189016 is a wasteful number, since it uses less digits than its factorization.

189016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633 (or 23629 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 189016 is about 434.7597037445. The cubic root of 189016 is about 57.3895548501.

Adding to 189016 its reverse (610981), we get a palindrome (799997).

The spelling of 189016 in words is "one hundred eighty-nine thousand, sixteen".