187327601680 has 20 divisors (see below), whose sum is σ = 435536674092. Its totient is φ = 74931040640.

The previous prime is 187327601647. The next prime is 187327601719. The reversal of 187327601680 is 86106723781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109037323264 + 78290278416 = 330208^2 + 279804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170797431 + ... + 1170797590.

Almost surely, 2^187327601680 is an apocalyptic number.

187327601680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187327601680 is an abundant number, since it is smaller than the sum of its proper divisors (248209072412).

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

187327601680 is a wasteful number, since it uses less digits than its factorization.

187327601680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341595034 (or 2341595028 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 187327601680 in words is "one hundred eighty-seven billion, three hundred twenty-seven million, six hundred one thousand, six hundred eighty".