188968560 has 160 divisors (see below), whose sum is σ = 659957760. Its totient is φ = 44313600.

The previous prime is 188968543. The next prime is 188968567. The reversal of 188968560 is 65869881.

188968560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188968567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80686 + ... + 82994.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^188968560 is an apocalyptic number.

188968560 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 188968560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329978880).

188968560 is an abundant number, since it is smaller than the sum of its proper divisors (470989200).

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

188968560 is a wasteful number, since it uses less digits than its factorization.

188968560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 188968560 is about 13746.5835755652. The cubic root of 188968560 is about 573.8475316087.

The spelling of 188968560 in words is "one hundred eighty-eight million, nine hundred sixty-eight thousand, five hundred sixty".