1806138783038 has 16 divisors (see below), whose sum is σ = 2788782287760. Its totient is φ = 876896007936.

The previous prime is 1806138783017. The next prime is 1806138783083. The reversal of 1806138783038 is 8303878316081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87819848 + ... + 87840411.

It is an arithmetic number, because the mean of its divisors is an integer number (174298892985).

Almost surely, 2^{1806138783038} is an apocalyptic number.

1806138783038 is a deficient number, since it is larger than the sum of its proper divisors (982643504722).

1806138783038 is a wasteful number, since it uses less digits than its factorization.

1806138783038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175660411.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 1806138783038 in words is "one trillion, eight hundred six billion, one hundred thirty-eight million, seven hundred eighty-three thousand, thirty-eight".