327168493 has 2 divisors, whose sum is σ = 327168494. Its totient is φ = 327168492.

The previous prime is 327168481. The next prime is 327168509. The reversal of 327168493 is 394861723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287200809 + 39967684 = 16947^2 + 6322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327168493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327163493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163584246 + 163584247.

It is an arithmetic number, because the mean of its divisors is an integer number (163584247).

Almost surely, 2^327168493 is an apocalyptic number.

It is an amenable number.

327168493 is a deficient number, since it is larger than the sum of its proper divisors (1).

327168493 is an equidigital number, since it uses as much as digits as its factorization.

327168493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 327168493 is about 18087.7995621358. The cubic root of 327168493 is about 689.0601872904.

It can be divided in two parts, 32716 and 8493, that added together give a square (41209 = 203²).

The spelling of 327168493 in words is "three hundred twenty-seven million, one hundred sixty-eight thousand, four hundred ninety-three".