204166045147 has 16 divisors (see below), whose sum is σ = 209122070080. Its totient is φ = 199273001472.

The previous prime is 204166045141. The next prime is 204166045163. The reversal of 204166045147 is 741540661402.

It is a cyclic number.

It is not a de Polignac number, because 204166045147 - 2¹¹ = 204166043099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204166045141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6533023 + ... + 6564199.

It is an arithmetic number, because the mean of its divisors is an integer number (13070129380).

Almost surely, 2^204166045147 is an apocalyptic number.

204166045147 is a deficient number, since it is larger than the sum of its proper divisors (4956024933).

204166045147 is a wasteful number, since it uses less digits than its factorization.

204166045147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32182.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 204166045147 in words is "two hundred four billion, one hundred sixty-six million, forty-five thousand, one hundred forty-seven".