1852816128 has 144 divisors (see below), whose sum is σ = 5255663616. Its totient is φ = 577454080.

The previous prime is 1852816087. The next prime is 1852816157. The reversal of 1852816128 is 8216182581.

It is a self number, because there is not a number n which added to its sum of digits gives 1852816128.

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 15 ways as a sum of consecutive naturals, for example, 2493325 + ... + 2494067.

It is an arithmetic number, because the mean of its divisors is an integer number (36497664).

Almost surely, 2^1852816128 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 1852816128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627831808).

1852816128 is an abundant number, since it is smaller than the sum of its proper divisors (3402847488).

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

1852816128 is a wasteful number, since it uses less digits than its factorization.

1852816128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 956 counting only the distinct ones).

The product of its digits is 61440, while the sum is 42.

The square root of 1852816128 is about 43044.3507094717. The cubic root of 1852816128 is about 1228.2236079841.

The spelling of 1852816128 in words is "one billion, eight hundred fifty-two million, eight hundred sixteen thousand, one hundred twenty-eight".