203084161 has 4 divisors (see below), whose sum is σ = 232096192. Its totient is φ = 174072132.

The previous prime is 203084153. The next prime is 203084207. The reversal of 203084161 is 161480302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203084161 - 2³ = 203084153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203084461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14506005 + ... + 14506018.

It is an arithmetic number, because the mean of its divisors is an integer number (58024048).

Almost surely, 2^203084161 is an apocalyptic number.

It is an amenable number.

203084161 is a deficient number, since it is larger than the sum of its proper divisors (29012031).

203084161 is an equidigital number, since it uses as much as digits as its factorization.

203084161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29012030.

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

The square root of 203084161 is about 14250.7600148203. The cubic root of 203084161 is about 587.7942739431.

The spelling of 203084161 in words is "two hundred three million, eighty-four thousand, one hundred sixty-one".