1804214306181 has 16 divisors (see below), whose sum is σ = 2749373677568. Its totient is φ = 1030944078000.

The previous prime is 1804214306179. The next prime is 1804214306189. The reversal of 1804214306181 is 1816034124081.

It is not a de Polignac number, because 1804214306181 - 2¹ = 1804214306179 is a prime.

It is a super-2 number, since 2×1804214306181² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804214306189) by changing a digit.

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, 850045 + ... + 2081106.

It is an arithmetic number, because the mean of its divisors is an integer number (171835854848).

Almost surely, 2^{1804214306181} is an apocalyptic number.

It is an amenable number.

1804214306181 is a deficient number, since it is larger than the sum of its proper divisors (945159371387).

1804214306181 is a wasteful number, since it uses less digits than its factorization.

1804214306181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960472.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 1804214306181 in words is "one trillion, eight hundred four billion, two hundred fourteen million, three hundred six thousand, one hundred eighty-one".