1881107712 has 216 divisors, whose sum is σ = 6138132000. Its totient is φ = 569825280.

The previous prime is 1881107699. The next prime is 1881107771. The reversal of 1881107712 is 2177011881.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682914 + ... + 685662.

Almost surely, 2^1881107712 is an apocalyptic number.

1881107712 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 1881107712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069066000).

1881107712 is an abundant number, since it is smaller than the sum of its proper divisors (4257024288).

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

1881107712 is an equidigital number, since it uses as much as digits as its factorization.

1881107712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2765 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 36.

The square root of 1881107712 is about 43371.7386324321. The cubic root of 1881107712 is about 1234.4435115716.

The spelling of 1881107712 in words is "one billion, eight hundred eighty-one million, one hundred seven thousand, seven hundred twelve".