204116640225615 has 96 divisors (see below), whose sum is σ = 386263584645120. Its totient is φ = 99104858062848.

The previous prime is 204116640225599. The next prime is 204116640225661. The reversal of 204116640225615 is 516522046611402.

204116640225615 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 6 + 6 + 4 + 0 + 2 + 25 + 615 = 666.

It is not a de Polignac number, because 204116640225615 - 2⁴ = 204116640225599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 654469042 + ... + 654780848.

It is an arithmetic number, because the mean of its divisors is an integer number (4023579006720).

Almost surely, 2^{204116640225615} is an apocalyptic number.

204116640225615 is a deficient number, since it is larger than the sum of its proper divisors (182146944419505).

204116640225615 is a wasteful number, since it uses less digits than its factorization.

204116640225615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327233 (or 327230 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 204116640225615 in words is "two hundred four trillion, one hundred sixteen billion, six hundred forty million, two hundred twenty-five thousand, six hundred fifteen".