204604231161 has 16 divisors (see below), whose sum is σ = 297835674048. Its totient is φ = 123906931200.

The previous prime is 204604231133. The next prime is 204604231171. The reversal of 204604231161 is 161132406402.

It is not a de Polignac number, because 204604231161 - 2¹⁰ = 204604230137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204604231121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347380 + ... + 2432981.

It is an arithmetic number, because the mean of its divisors is an integer number (18614729628).

Almost surely, 2^204604231161 is an apocalyptic number.

It is an amenable number.

204604231161 is a deficient number, since it is larger than the sum of its proper divisors (93231442887).

204604231161 is a wasteful number, since it uses less digits than its factorization.

204604231161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781672.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 204604231161 its reverse (161132406402), we get a palindrome (365736637563).

The spelling of 204604231161 in words is "two hundred four billion, six hundred four million, two hundred thirty-one thousand, one hundred sixty-one".