1886638604112 has 320 divisors, whose sum is σ = 5622754406400. Its totient is φ = 605272504320.

The previous prime is 1886638604063. The next prime is 1886638604117. The reversal of 1886638604112 is 2114068366881.

1886638604112 is a `hidden beast` number, since 1 + 88 + 66 + 38 + 60 + 411 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1886638604117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1386214312 + ... + 1386215672.

It is an arithmetic number, because the mean of its divisors is an integer number (17571107520).

Almost surely, 2^{1886638604112} is an apocalyptic number.

1886638604112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1886638604112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811377203200).

1886638604112 is an abundant number, since it is smaller than the sum of its proper divisors (3736115802288).

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

1886638604112 is a wasteful number, since it uses less digits than its factorization.

1886638604112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 1886638604112 in words is "one trillion, eight hundred eighty-six billion, six hundred thirty-eight million, six hundred four thousand, one hundred twelve".