204655414065 has 16 divisors (see below), whose sum is σ = 335435216256. Its totient is φ = 106487369600.

The previous prime is 204655414057. The next prime is 204655414099. The reversal of 204655414065 is 560414556402.

It is not a de Polignac number, because 204655414065 - 2³ = 204655414057 is a prime.

It is a super-2 number, since 2×204655414065² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166385901 + ... + 166387130.

It is an arithmetic number, because the mean of its divisors is an integer number (20964701016).

Almost surely, 2^204655414065 is an apocalyptic number.

It is an amenable number.

204655414065 is a deficient number, since it is larger than the sum of its proper divisors (130779802191).

204655414065 is a wasteful number, since it uses less digits than its factorization.

204655414065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332773080.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 204655414065 in words is "two hundred four billion, six hundred fifty-five million, four hundred fourteen thousand, sixty-five".