204116603 has 4 divisors (see below), whose sum is σ = 216123480. Its totient is φ = 192109728.

The previous prime is 204116597. The next prime is 204116641. The reversal of 204116603 is 306611402.

It is a happy number.

204116603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306611402 = 2 ⋅153305701.

It is a cyclic number.

It is not a de Polignac number, because 204116603 - 2¹² = 204112507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204116203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003413 + ... + 6003446.

It is an arithmetic number, because the mean of its divisors is an integer number (54030870).

Almost surely, 2^204116603 is an apocalyptic number.

204116603 is a deficient number, since it is larger than the sum of its proper divisors (12006877).

204116603 is a wasteful number, since it uses less digits than its factorization.

204116603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006876.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 204116603 is about 14286.9381954287. The cubic root of 204116603 is about 588.7886695571.

The spelling of 204116603 in words is "two hundred four million, one hundred sixteen thousand, six hundred three".