189081116 has 12 divisors (see below), whose sum is σ = 378162288. Its totient is φ = 81034752.

The previous prime is 189081097. The next prime is 189081119. The reversal of 189081116 is 611180981.

189081116 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189081119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376421 + ... + 3376476.

It is an arithmetic number, because the mean of its divisors is an integer number (31513524).

Almost surely, 2^189081116 is an apocalyptic number.

It is an amenable number.

189081116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189081116 is a wasteful number, since it uses less digits than its factorization.

189081116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752908 (or 6752906 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 189081116 is about 13750.6769287915. The cubic root of 189081116 is about 573.9614432615.

The spelling of 189081116 in words is "one hundred eighty-nine million, eighty-one thousand, one hundred sixteen".