187663261104 has 200 divisors, whose sum is σ = 611644661760. Its totient is φ = 55033084800.

The previous prime is 187663261099. The next prime is 187663261111. The reversal of 187663261104 is 401162366781.

187663261104 is a `hidden beast` number, since 1 + 8 + 7 + 6 + 632 + 6 + 1 + 1 + 0 + 4 = 666.

187663261104 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 187663261104.

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 39 ways as a sum of consecutive naturals, for example, 229617 + ... + 654255.

Almost surely, 2^187663261104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187663261104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305822330880).

187663261104 is an abundant number, since it is smaller than the sum of its proper divisors (423981400656).

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

187663261104 is a wasteful number, since it uses less digits than its factorization.

187663261104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424701 (or 424686 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 187663261104 in words is "one hundred eighty-seven billion, six hundred sixty-three million, two hundred sixty-one thousand, one hundred four".