204312162663 has 12 divisors (see below), whose sum is σ = 337277221008. Its totient is φ = 116749807200.

The previous prime is 204312162641. The next prime is 204312162667. The reversal of 204312162663 is 366261213402.

204312162663 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 1 + 21 + 626 + 6 + 3 = 666.

It is not a de Polignac number, because 204312162663 - 2⁵ = 204312162631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204312162667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621525038 + ... + 1621525163.

It is an arithmetic number, because the mean of its divisors is an integer number (28106435084).

Almost surely, 2^204312162663 is an apocalyptic number.

204312162663 is a deficient number, since it is larger than the sum of its proper divisors (132965058345).

204312162663 is a wasteful number, since it uses less digits than its factorization.

204312162663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243050214 (or 3243050211 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 204312162663 in words is "two hundred four billion, three hundred twelve million, one hundred sixty-two thousand, six hundred sixty-three".