204161403667 has 12 divisors (see below), whose sum is σ = 221106258360. Its totient is φ = 188429337408.

The previous prime is 204161403659. The next prime is 204161403673. The reversal of 204161403667 is 766304161402.

It is not a de Polignac number, because 204161403667 - 2³ = 204161403659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204161403637) 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, 1130559 + ... + 1298647.

It is an arithmetic number, because the mean of its divisors is an integer number (18425521530).

Almost surely, 2^204161403667 is an apocalyptic number.

204161403667 is a deficient number, since it is larger than the sum of its proper divisors (16944854693).

204161403667 is a wasteful number, since it uses less digits than its factorization.

204161403667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175302 (or 175289 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 204161403667 in words is "two hundred four billion, one hundred sixty-one million, four hundred three thousand, six hundred sixty-seven".