204114016165 has 4 divisors (see below), whose sum is σ = 244936819404. Its totient is φ = 163291212928.

The previous prime is 204114016133. The next prime is 204114016213. The reversal of 204114016165 is 561610411402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93016460196 + 111097555969 = 304986^2 + 333313^2 .

It is a cyclic number.

It is not a de Polignac number, because 204114016165 - 2⁵ = 204114016133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20411401612 + ... + 20411401621.

It is an arithmetic number, because the mean of its divisors is an integer number (61234204851).

Almost surely, 2^204114016165 is an apocalyptic number.

It is an amenable number.

204114016165 is a deficient number, since it is larger than the sum of its proper divisors (40822803239).

204114016165 is an equidigital number, since it uses as much as digits as its factorization.

204114016165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40822803238.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 204114016165 its reverse (561610411402), we get a palindrome (765724427567).

The spelling of 204114016165 in words is "two hundred four billion, one hundred fourteen million, sixteen thousand, one hundred sixty-five".