188340516 has 216 divisors, whose sum is σ = 613476864. Its totient is φ = 48263040.

The previous prime is 188340479. The next prime is 188340517. The reversal of 188340516 is 615043881.

188340516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (188340517) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 985981 + ... + 986171.

Almost surely, 2^188340516 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 188340516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306738432).

188340516 is an abundant number, since it is smaller than the sum of its proper divisors (425136348).

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

188340516 is a wasteful number, since it uses less digits than its factorization.

188340516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 188340516 is about 13723.7209240060. The cubic root of 188340516 is about 573.2110915094.

The spelling of 188340516 in words is "one hundred eighty-eight million, three hundred forty thousand, five hundred sixteen".