1326168733 has 2 divisors, whose sum is σ = 1326168734. Its totient is φ = 1326168732.

The previous prime is 1326168677. The next prime is 1326168749. The reversal of 1326168733 is 3378616231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257908089 + 68260644 = 35467^2 + 8262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326168733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326168773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663084366 + 663084367.

It is an arithmetic number, because the mean of its divisors is an integer number (663084367).

Almost surely, 2^1326168733 is an apocalyptic number.

It is an amenable number.

1326168733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326168733 is an equidigital number, since it uses as much as digits as its factorization.

1326168733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 1326168733 is about 36416.5996902511. The cubic root of 1326168733 is about 1098.6674588619.

The spelling of 1326168733 in words is "one billion, three hundred twenty-six million, one hundred sixty-eight thousand, seven hundred thirty-three".