1873989216 has 192 divisors, whose sum is σ = 6222666240. Its totient is φ = 543121920.

The previous prime is 1873989167. The next prime is 1873989223. The reversal of 1873989216 is 6129893781.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 214306 + ... + 222878.

It is an arithmetic number, because the mean of its divisors is an integer number (32409720).

Almost surely, 2^1873989216 is an apocalyptic number.

1873989216 is a gapful number since it is divisible by the number (16) 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 1873989216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111333120).

1873989216 is an abundant number, since it is smaller than the sum of its proper divisors (4348677024).

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

1873989216 is a wasteful number, since it uses less digits than its factorization.

1873989216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626 (or 8612 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1873989216 is about 43289.5970875221. The cubic root of 1873989216 is about 1232.8844144288.

The spelling of 1873989216 in words is "one billion, eight hundred seventy-three million, nine hundred eighty-nine thousand, two hundred sixteen".