183689989219984 has 135 divisors (see below), whose sum is σ = 389541083961627. Its totient is φ = 83874747820032.

The previous prime is 183689989219939. The next prime is 183689989219999. The reversal of 183689989219984 is 489912989986381.

The square root of 183689989219984 is 13553228.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 33560841821584 + 150129147398400 = 5793172^2 + 12252720^2 .

It is a Smith number, since the sum of its digits (94) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 183689989219892 and 183689989219901.

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 26 ways as a sum of consecutive naturals, for example, 68362480689 + ... + 68362483375.

Almost surely, 2^{183689989219984} is an apocalyptic number.

183689989219984 is the 13553228-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 183689989219984

183689989219984 is an abundant number, since it is smaller than the sum of its proper divisors (205851094741643).

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

183689989219984 is an frugal number, since it uses more digits than its factorization.

183689989219984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 2799 counting only the distinct ones).

The product of its digits is 34828517376, while the sum is 94.

The spelling of 183689989219984 in words is "one hundred eighty-three trillion, six hundred eighty-nine billion, nine hundred eighty-nine million, two hundred nineteen thousand, nine hundred eighty-four".