187297116 has 12 divisors (see below), whose sum is σ = 437026632. Its totient is φ = 62432368.

The previous prime is 187297091. The next prime is 187297139. The reversal of 187297116 is 611792781.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7804035 + ... + 7804058.

It is an arithmetic number, because the mean of its divisors is an integer number (36418886).

Almost surely, 2^187297116 is an apocalyptic number.

It is an amenable number.

187297116 is an abundant number, since it is smaller than the sum of its proper divisors (249729516).

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

187297116 is a wasteful number, since it uses less digits than its factorization.

187297116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15608100 (or 15608098 counting only the distinct ones).

The product of its digits is 42336, while the sum is 42.

The square root of 187297116 is about 13685.6536562928. The cubic root of 187297116 is about 572.1506074800.

The spelling of 187297116 in words is "one hundred eighty-seven million, two hundred ninety-seven thousand, one hundred sixteen".