1852531660144 has 80 divisors (see below), whose sum is σ = 3951088051680. Its totient is φ = 834426593280.

The previous prime is 1852531660093. The next prime is 1852531660171. The reversal of 1852531660144 is 4410661352581.

It is a junction number, because it is equal to n+sod(n) for n = 1852531660094 and 1852531660103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140581684 + ... + 140594860.

It is an arithmetic number, because the mean of its divisors is an integer number (49388600646).

Almost surely, 2^{1852531660144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1852531660144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975544025840).

1852531660144 is an abundant number, since it is smaller than the sum of its proper divisors (2098556391536).

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

1852531660144 is a wasteful number, since it uses less digits than its factorization.

1852531660144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378 (or 20372 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 1852531660144 in words is "one trillion, eight hundred fifty-two billion, five hundred thirty-one million, six hundred sixty thousand, one hundred forty-four".