187868052660 has 24 divisors (see below), whose sum is σ = 526030547616. Its totient is φ = 50098147360.

The previous prime is 187868052643. The next prime is 187868052679. The reversal of 187868052660 is 66250868781.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 187868052660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565567046 + ... + 1565567165.

It is an arithmetic number, because the mean of its divisors is an integer number (21917939484).

Almost surely, 2^187868052660 is an apocalyptic number.

187868052660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187868052660 is an abundant number, since it is smaller than the sum of its proper divisors (338162494956).

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

187868052660 is a wasteful number, since it uses less digits than its factorization.

187868052660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131134223 (or 3131134221 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 187868052660 in words is "one hundred eighty-seven billion, eight hundred sixty-eight million, fifty-two thousand, six hundred sixty".