204276161 has 8 divisors (see below), whose sum is σ = 206569440. Its totient is φ = 201990208.

The previous prime is 204276157. The next prime is 204276181. The reversal of 204276161 is 161672402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204276161 - 2² = 204276157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204276181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69065 + ... + 71961.

It is an arithmetic number, because the mean of its divisors is an integer number (25821180).

Almost surely, 2^204276161 is an apocalyptic number.

It is an amenable number.

204276161 is a deficient number, since it is larger than the sum of its proper divisors (2293279).

204276161 is a wasteful number, since it uses less digits than its factorization.

204276161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 204276161 is about 14292.5211561851. The cubic root of 204276161 is about 588.9420483491.

The spelling of 204276161 in words is "two hundred four million, two hundred seventy-six thousand, one hundred sixty-one".