1881169920000 has 1530 divisors, whose sum is σ = 8059105954328. Its totient is φ = 429981696000.

The previous prime is 1881169919999. The next prime is 1881169920017. The reversal of 1881169920000 is 299611881.

It is a Jordan-Polya number, since it can be written as 10! ⋅ (6!)².

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 89 ways as a sum of consecutive naturals, for example, 268738559997 + ... + 268738560003.

Almost surely, 2^{1881169920000} is an apocalyptic number.

1881169920000 is a gapful number since it is divisible by the number (10) 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 1881169920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4029552977164).

1881169920000 is an abundant number, since it is smaller than the sum of its proper divisors (6177936034328).

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

1881169920000 is an frugal number, since it uses more digits than its factorization.

1881169920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 1881169920000 in words is "one trillion, eight hundred eighty-one billion, one hundred sixty-nine million, nine hundred twenty thousand".