204308163492 has 12 divisors (see below), whose sum is σ = 476719048176. Its totient is φ = 68102721160.

The previous prime is 204308163481. The next prime is 204308163529. The reversal of 204308163492 is 294361803402.

It is a tau number, because it is divible by the number of its divisors (12).

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, 8512840134 + ... + 8512840157.

It is an arithmetic number, because the mean of its divisors is an integer number (39726587348).

Almost surely, 2^204308163492 is an apocalyptic number.

It is an amenable number.

204308163492 is an abundant number, since it is smaller than the sum of its proper divisors (272410884684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204308163492 is a wasteful number, since it uses less digits than its factorization.

204308163492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025680298 (or 17025680296 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

Adding to 204308163492 its reverse (294361803402), we get a palindrome (498669966894).

The spelling of 204308163492 in words is "two hundred four billion, three hundred eight million, one hundred sixty-three thousand, four hundred ninety-two".