1821466041 has 24 divisors (see below), whose sum is σ = 2498487840. Its totient is φ = 1180327680.

The previous prime is 1821466013. The next prime is 1821466043. The reversal of 1821466041 is 1406641281.

It is not a de Polignac number, because 1821466041 - 2¹⁷ = 1821334969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1821465993 and 1821466011.

It is not an unprimeable number, because it can be changed into a prime (1821466043) 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 23 ways as a sum of consecutive naturals, for example, 1910821 + ... + 1911773.

It is an arithmetic number, because the mean of its divisors is an integer number (104103660).

Almost surely, 2^1821466041 is an apocalyptic number.

It is an amenable number.

1821466041 is a deficient number, since it is larger than the sum of its proper divisors (677021799).

1821466041 is an equidigital number, since it uses as much as digits as its factorization.

1821466041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1821466041 is about 42678.6368221854. The cubic root of 1821466041 is about 1221.2568881716.

It can be divided in two parts, 18214 and 66041, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 1821466041 in words is "one billion, eight hundred twenty-one million, four hundred sixty-six thousand, forty-one".