1804006081018 has 16 divisors (see below), whose sum is σ = 2799351631080. Its totient is φ = 870889578496.

The previous prime is 1804006080901. The next prime is 1804006081049. The reversal of 1804006081018 is 8101806004081.

It can be written as a sum of positive squares in 4 ways, for example, as 1206234334369 + 597771746649 = 1098287^2 + 773157^2 .

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, 9334746 + ... + 9526042.

Almost surely, 2^{1804006081018} is an apocalyptic number.

1804006081018 is a deficient number, since it is larger than the sum of its proper divisors (995345550062).

1804006081018 is a wasteful number, since it uses less digits than its factorization.

1804006081018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353921.

The product of its (nonzero) digits is 12288, while the sum is 37.

The spelling of 1804006081018 in words is "one trillion, eight hundred four billion, six million, eighty-one thousand, eighteen".