204130165 has 8 divisors (see below), whose sum is σ = 250168320. Its totient is φ = 159829392.

The previous prime is 204130153. The next prime is 204130177. The reversal of 204130165 is 561031402.

It is an interprime number because it is at equal distance from previous prime (204130153) and next prime (204130177).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204130165 is a prime.

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, 434085 + ... + 434554.

It is an arithmetic number, because the mean of its divisors is an integer number (31271040).

Almost surely, 2^204130165 is an apocalyptic number.

It is an amenable number.

204130165 is a deficient number, since it is larger than the sum of its proper divisors (46038155).

204130165 is an equidigital number, since it uses as much as digits as its factorization.

204130165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868691.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 204130165 is about 14287.4128168819. The cubic root of 204130165 is about 588.8017094486.

Adding to 204130165 its reverse (561031402), we get a palindrome (765161567).

The spelling of 204130165 in words is "two hundred four million, one hundred thirty thousand, one hundred sixty-five".