187716661104 has 80 divisors (see below), whose sum is σ = 557112913920. Its totient is φ = 53352510720.

The previous prime is 187716661081. The next prime is 187716661117. The reversal of 187716661104 is 401166617781.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398339 + ... + 1526690.

It is an arithmetic number, because the mean of its divisors is an integer number (6963911424).

Almost surely, 2^187716661104 is an apocalyptic number.

187716661104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

187716661104 is an abundant number, since it is smaller than the sum of its proper divisors (369396252816).

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

187716661104 is a wasteful number, since it uses less digits than its factorization.

187716661104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925238 (or 2925232 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 187716661104 in words is "one hundred eighty-seven billion, seven hundred sixteen million, six hundred sixty-one thousand, one hundred four".