21616041135404 has 6 divisors (see below), whose sum is σ = 37828071986964. Its totient is φ = 10808020567700.

The previous prime is 21616041135391. The next prime is 21616041135407. The reversal of 21616041135404 is 40453114061612.

It is not an unprimeable number, because it can be changed into a prime (21616041135407) by changing a digit.

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 as a sum of consecutive naturals, namely, 2702005141922 + ... + 2702005141929.

It is an arithmetic number, because the mean of its divisors is an integer number (6304678664494).

Almost surely, 2^{21616041135404} is an apocalyptic number.

It is an amenable number.

21616041135404 is a deficient number, since it is larger than the sum of its proper divisors (16212030851560).

21616041135404 is a wasteful number, since it uses less digits than its factorization.

21616041135404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404010283855 (or 5404010283853 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 21616041135404 in words is "twenty-one trillion, six hundred sixteen billion, forty-one million, one hundred thirty-five thousand, four hundred four".