204161612 has 12 divisors (see below), whose sum is σ = 376087320. Its totient is φ = 96708096.

The previous prime is 204161611. The next prime is 204161651. The reversal of 204161612 is 216161402.

It is not an unprimeable number, because it can be changed into a prime (204161611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343093 + ... + 1343244.

It is an arithmetic number, because the mean of its divisors is an integer number (31340610).

Almost surely, 2^204161612 is an apocalyptic number.

It is an amenable number.

204161612 is a deficient number, since it is larger than the sum of its proper divisors (171925708).

204161612 is a wasteful number, since it uses less digits than its factorization.

204161612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686360 (or 2686358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 204161612 is about 14288.5132886525. The cubic root of 204161612 is about 588.8319435832.

The spelling of 204161612 in words is "two hundred four million, one hundred sixty-one thousand, six hundred twelve".