1816598852 has 24 divisors (see below), whose sum is σ = 3368163456. Its totient is φ = 854333568.

The previous prime is 1816598843. The next prime is 1816598867. The reversal of 1816598852 is 2588956181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1816598794 and 1816598803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113753 + ... + 128735.

It is an arithmetic number, because the mean of its divisors is an integer number (140340144).

Almost surely, 2^1816598852 is an apocalyptic number.

It is an amenable number.

1816598852 is a deficient number, since it is larger than the sum of its proper divisors (1551564604).

1816598852 is a wasteful number, since it uses less digits than its factorization.

1816598852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16787 (or 16785 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 53.

The square root of 1816598852 is about 42621.5773053978. The cubic root of 1816598852 is about 1220.1681332374.

The spelling of 1816598852 in words is "one billion, eight hundred sixteen million, five hundred ninety-eight thousand, eight hundred fifty-two".