204416334144365 has 16 divisors (see below), whose sum is σ = 280585542885888. Its totient is φ = 140049629669376.

The previous prime is 204416334144361. The next prime is 204416334144377. The reversal of 204416334144365 is 563441433614402.

It is not a de Polignac number, because 204416334144365 - 2² = 204416334144361 is a prime.

It is a super-2 number, since 2×204416334144365² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204416334144361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2532685877 + ... + 2532766586.

It is an arithmetic number, because the mean of its divisors is an integer number (17536596430368).

Almost surely, 2^{204416334144365} is an apocalyptic number.

It is an amenable number.

204416334144365 is a deficient number, since it is larger than the sum of its proper divisors (76169208741523).

204416334144365 is a wasteful number, since it uses less digits than its factorization.

204416334144365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065453628.

The product of its (nonzero) digits is 9953280, while the sum is 50.

Adding to 204416334144365 its reverse (563441433614402), we get a palindrome (767857767758767).

The spelling of 204416334144365 in words is "two hundred four trillion, four hundred sixteen billion, three hundred thirty-four million, one hundred forty-four thousand, three hundred sixty-five".