187381368 has 48 divisors (see below), whose sum is σ = 529560720. Its totient is φ = 59744256.

The previous prime is 187381351. The next prime is 187381393. The reversal of 187381368 is 863183781.

187381368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×187381368² = 70223554147102848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54921 + ... + 58232.

It is an arithmetic number, because the mean of its divisors is an integer number (11032515).

Almost surely, 2^187381368 is an apocalyptic number.

187381368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

187381368 is an abundant number, since it is smaller than the sum of its proper divisors (342179352).

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

187381368 is a wasteful number, since it uses less digits than its factorization.

187381368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113188 (or 113181 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 187381368 is about 13688.7314240583. The cubic root of 187381368 is about 572.2363849296.

The spelling of 187381368 in words is "one hundred eighty-seven million, three hundred eighty-one thousand, three hundred sixty-eight".