204456655 has 8 divisors (see below), whose sum is σ = 264220992. Its totient is φ = 150983328.

The previous prime is 204456649. The next prime is 204456677. The reversal of 204456655 is 556654402.

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 204456655 - 2¹⁹ = 203932367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572679 + ... + 1572808.

It is an arithmetic number, because the mean of its divisors is an integer number (33027624).

Almost surely, 2^204456655 is an apocalyptic number.

204456655 is a deficient number, since it is larger than the sum of its proper divisors (59764337).

204456655 is a wasteful number, since it uses less digits than its factorization.

204456655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145505.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 204456655 is about 14298.8340433757. The cubic root of 204456655 is about 589.1154561069.

The spelling of 204456655 in words is "two hundred four million, four hundred fifty-six thousand, six hundred fifty-five".