182871336961 has 4 divisors (see below), whose sum is σ = 182876555524. Its totient is φ = 182866118400.

The previous prime is 182871336953. The next prime is 182871337001. The reversal of 182871336961 is 169633178281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169633178281 = 7 ⋅24233311183.

It can be written as a sum of positive squares in 2 ways, for example, as 38212821361 + 144658515600 = 195481^2 + 380340^2 .

It is a cyclic number.

It is not a de Polignac number, because 182871336961 - 2³ = 182871336953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182871331961) 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 3 ways as a sum of consecutive naturals, for example, 2556360 + ... + 2626921.

It is an arithmetic number, because the mean of its divisors is an integer number (45719138881).

Almost surely, 2^182871336961 is an apocalyptic number.

It is an amenable number.

182871336961 is a deficient number, since it is larger than the sum of its proper divisors (5218563).

182871336961 is an equidigital number, since it uses as much as digits as its factorization.

182871336961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218562.

The product of its digits is 2612736, while the sum is 55.

The spelling of 182871336961 in words is "one hundred eighty-two billion, eight hundred seventy-one million, three hundred thirty-six thousand, nine hundred sixty-one".