187980216 has 16 divisors (see below), whose sum is σ = 469950600. Its totient is φ = 62660064.

The previous prime is 187980211. The next prime is 187980217. The reversal of 187980216 is 612089781.

187980216 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 (187980211) 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, 3916231 + ... + 3916278.

Almost surely, 2^187980216 is an apocalyptic number.

It is an amenable number.

187980216 is an abundant number, since it is smaller than the sum of its proper divisors (281970384).

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

187980216 is a wasteful number, since it uses less digits than its factorization.

187980216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832518 (or 7832514 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 187980216 is about 13710.5877335729. The cubic root of 187980216 is about 572.8453359116.

The spelling of 187980216 in words is "one hundred eighty-seven million, nine hundred eighty thousand, two hundred sixteen".