25327430161 has 32 divisors (see below), whose sum is σ = 29602205568. Its totient is φ = 21414973440.

The previous prime is 25327430137. The next prime is 25327430201. The reversal of 25327430161 is 16103472352.

It is not a de Polignac number, because 25327430161 - 2⁷ = 25327430033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25327430131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5967106 + ... + 5971348.

It is an arithmetic number, because the mean of its divisors is an integer number (925068924).

Almost surely, 2^25327430161 is an apocalyptic number.

It is an amenable number.

25327430161 is a deficient number, since it is larger than the sum of its proper divisors (4274775407).

25327430161 is a wasteful number, since it uses less digits than its factorization.

25327430161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 25327430161 in words is "twenty-five billion, three hundred twenty-seven million, four hundred thirty thousand, one hundred sixty-one".