10804166821 has 8 divisors (see below), whose sum is σ = 12997494080. Its totient is φ = 8773308288.

The previous prime is 10804166797. The next prime is 10804166831. The reversal of 10804166821 is 12866140801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10804166821 - 2¹¹ = 10804164773 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10804166831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40617036 + ... + 40617301.

It is an arithmetic number, because the mean of its divisors is an integer number (1624686760).

Almost surely, 2^10804166821 is an apocalyptic number.

It is an amenable number.

10804166821 is a deficient number, since it is larger than the sum of its proper divisors (2193327259).

10804166821 is an equidigital number, since it uses as much as digits as its factorization.

10804166821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81234363.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 10804166821 in words is "ten billion, eight hundred four million, one hundred sixty-six thousand, eight hundred twenty-one".