188916 has 48 divisors (see below), whose sum is σ = 545664. Its totient is φ = 49536.

The previous prime is 188911. The next prime is 188927. The reversal of 188916 is 619881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (11368).

2¹⁸⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272832).

188916 is an abundant number, since it is smaller than the sum of its proper divisors (356748).

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

188916 is a wasteful number, since it uses less digits than its factorization.

188916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 188916 is about 434.6446824706. The cubic root of 188916 is about 57.3794323069.

The spelling of 188916 in words is "one hundred eighty-eight thousand, nine hundred sixteen".