204155432116 has 6 divisors (see below), whose sum is σ = 357272006210. Its totient is φ = 102077716056.

The previous prime is 204155432113. The next prime is 204155432141. The reversal of 204155432116 is 611234551402.

204155432116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204078062500 + 77369616 = 451750^2 + 8796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204155432111) 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, 25519429011 + ... + 25519429018.

Almost surely, 2^204155432116 is an apocalyptic number.

It is an amenable number.

204155432116 is a deficient number, since it is larger than the sum of its proper divisors (153116574094).

204155432116 is a wasteful number, since it uses less digits than its factorization.

204155432116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51038858033 (or 51038858031 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 204155432116 its reverse (611234551402), we get a palindrome (815389983518).

The spelling of 204155432116 in words is "two hundred four billion, one hundred fifty-five million, four hundred thirty-two thousand, one hundred sixteen".