187313081608 has 16 divisors (see below), whose sum is σ = 351221092560. Its totient is φ = 93654123600.

The previous prime is 187313081597. The next prime is 187313081623. The reversal of 187313081608 is 806180313781.

187313081608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51543 + ... + 614233.

It is an arithmetic number, because the mean of its divisors is an integer number (21951318285).

Almost surely, 2^187313081608 is an apocalyptic number.

It is an amenable number.

187313081608 is a deficient number, since it is larger than the sum of its proper divisors (163908010952).

187313081608 is a wasteful number, since it uses less digits than its factorization.

187313081608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604308 (or 604304 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 187313081608 in words is "one hundred eighty-seven billion, three hundred thirteen million, eighty-one thousand, six hundred eight".