327623276161 has 2 divisors, whose sum is σ = 327623276162. Its totient is φ = 327623276160.

The previous prime is 327623276153. The next prime is 327623276171. The reversal of 327623276161 is 161672326723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308309225536 + 19314050625 = 555256^2 + 138975^2 .

It is a cyclic number.

It is not a de Polignac number, because 327623276161 - 2³ = 327623276153 is a prime.

It is a super-2 number, since 2×327623276161² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (327623276171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163811638080 + 163811638081.

It is an arithmetic number, because the mean of its divisors is an integer number (163811638081).

Almost surely, 2^327623276161 is an apocalyptic number.

It is an amenable number.

327623276161 is a deficient number, since it is larger than the sum of its proper divisors (1).

327623276161 is an equidigital number, since it uses as much as digits as its factorization.

327623276161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The spelling of 327623276161 in words is "three hundred twenty-seven billion, six hundred twenty-three million, two hundred seventy-six thousand, one hundred sixty-one".