1806000016 has 40 divisors (see below), whose sum is σ = 3580344504. Its totient is φ = 882186240.

The previous prime is 1805999999. The next prime is 1806000041. The reversal of 1806000016 is 6100006081.

It can be written as a sum of positive squares in 4 ways, for example, as 1313337600 + 492662416 = 36240^2 + 22196^2 .

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 7 ways as a sum of consecutive naturals, for example, 199950 + ... + 208786.

Almost surely, 2^1806000016 is an apocalyptic number.

1806000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1806000016 is the 26878-th centered pentagonal number.

It is an amenable number.

1806000016 is a deficient number, since it is larger than the sum of its proper divisors (1774344488).

1806000016 is a wasteful number, since it uses less digits than its factorization.

1806000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139 (or 9133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1806000016 is about 42497.0589099999. The cubic root of 1806000016 is about 1217.7905041511.

Adding to 1806000016 its reverse (6100006081), we get a palindrome (7906006097).

The spelling of 1806000016 in words is "one billion, eight hundred six million, sixteen", and thus it is an aban number.