327116081 has 4 divisors (see below), whose sum is σ = 335094564. Its totient is φ = 319137600.

The previous prime is 327116077. The next prime is 327116113. The reversal of 327116081 is 180611723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180611723 = 17 ⋅10624219.

It can be written as a sum of positive squares in 2 ways, for example, as 27133681 + 299982400 = 5209^2 + 17320^2 .

It is a cyclic number.

It is not a de Polignac number, because 327116081 - 2² = 327116077 is a prime.

It is a super-2 number, since 2×327116081² = 214009860897597122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327116071) 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, 3989180 + ... + 3989261.

It is an arithmetic number, because the mean of its divisors is an integer number (83773641).

Almost surely, 2^327116081 is an apocalyptic number.

It is an amenable number.

327116081 is a deficient number, since it is larger than the sum of its proper divisors (7978483).

327116081 is an equidigital number, since it uses as much as digits as its factorization.

327116081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7978482.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 327116081 is about 18086.3506822134. The cubic root of 327116081 is about 689.0233897870.

The spelling of 327116081 in words is "three hundred twenty-seven million, one hundred sixteen thousand, eighty-one".