187116338 has 4 divisors (see below), whose sum is σ = 280674510. Its totient is φ = 93558168.

The previous prime is 187116329. The next prime is 187116343. The reversal of 187116338 is 833611781.

187116338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833611781 = 71 ⋅11741011.

It can be written as a sum of positive squares in only one way, i.e., 126945289 + 60171049 = 11267^2 + 7757^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46779083 + ... + 46779086.

Almost surely, 2^187116338 is an apocalyptic number.

187116338 is a deficient number, since it is larger than the sum of its proper divisors (93558172).

187116338 is an equidigital number, since it uses as much as digits as its factorization.

187116338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93558171.

The product of its digits is 24192, while the sum is 38.

The square root of 187116338 is about 13679.0474083541. The cubic root of 187116338 is about 571.9664695001.

The spelling of 187116338 in words is "one hundred eighty-seven million, one hundred sixteen thousand, three hundred thirty-eight".