2555430161 has 4 divisors (see below), whose sum is σ = 2637863424. Its totient is φ = 2472996900.

The previous prime is 2555430151. The next prime is 2555430167. The reversal of 2555430161 is 1610345552.

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 2555430161 - 2²² = 2551235857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555430167) 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, 41216585 + ... + 41216646.

It is an arithmetic number, because the mean of its divisors is an integer number (659465856).

Almost surely, 2^2555430161 is an apocalyptic number.

It is an amenable number.

2555430161 is a deficient number, since it is larger than the sum of its proper divisors (82433263).

2555430161 is an equidigital number, since it uses as much as digits as its factorization.

2555430161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82433262.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2555430161 is about 50551.2627043084. The cubic root of 2555430161 is about 1367.1662813885.

The spelling of 2555430161 in words is "two billion, five hundred fifty-five million, four hundred thirty thousand, one hundred sixty-one".