204161461 has 8 divisors (see below), whose sum is σ = 235949760. Its totient is φ = 173028768.

The previous prime is 204161453. The next prime is 204161473. The reversal of 204161461 is 164161402.

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

It is a cyclic number.

It is not a de Polignac number, because 204161461 - 2³ = 204161453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204161411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163231 + ... + 164476.

It is an arithmetic number, because the mean of its divisors is an integer number (29493720).

Almost surely, 2^204161461 is an apocalyptic number.

It is an amenable number.

204161461 is a deficient number, since it is larger than the sum of its proper divisors (31788299).

204161461 is an equidigital number, since it uses as much as digits as its factorization.

204161461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327803.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 204161461 is about 14288.5080046868. The cubic root of 204161461 is about 588.8317984144.

The spelling of 204161461 in words is "two hundred four million, one hundred sixty-one thousand, four hundred sixty-one".