16104848821 has 4 divisors (see below), whose sum is σ = 16105103532. Its totient is φ = 16104594112.

The previous prime is 16104848807. The next prime is 16104848827. The reversal of 16104848821 is 12884840161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12884840161 = 751 ⋅17156911.

It can be written as a sum of positive squares in 2 ways, for example, as 5728370596 + 10376478225 = 75686^2 + 101865^2 .

It is a cyclic number.

It is not a de Polignac number, because 16104848821 - 2¹⁵ = 16104816053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16104848827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47631 + ... + 185683.

It is an arithmetic number, because the mean of its divisors is an integer number (4026275883).

Almost surely, 2^16104848821 is an apocalyptic number.

It is an amenable number.

16104848821 is a deficient number, since it is larger than the sum of its proper divisors (254711).

16104848821 is a wasteful number, since it uses less digits than its factorization.

16104848821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254710.

The product of its (nonzero) digits is 98304, while the sum is 43.

The spelling of 16104848821 in words is "sixteen billion, one hundred four million, eight hundred forty-eight thousand, eight hundred twenty-one".