1326636116 has 24 divisors (see below), whose sum is σ = 2502804360. Its totient is φ = 611655552.

The previous prime is 1326636097. The next prime is 1326636119. The reversal of 1326636116 is 6116366231.

It can be written as a sum of positive squares in 4 ways, for example, as 466387216 + 860248900 = 21596^2 + 29330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326636119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39050 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (104283515).

Almost surely, 2^1326636116 is an apocalyptic number.

It is an amenable number.

1326636116 is a deficient number, since it is larger than the sum of its proper divisors (1176168244).

1326636116 is a wasteful number, since it uses less digits than its factorization.

1326636116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26603 (or 26601 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 1326636116 is about 36423.0162946453. The cubic root of 1326636116 is about 1098.7965118669.

The spelling of 1326636116 in words is "one billion, three hundred twenty-six million, six hundred thirty-six thousand, one hundred sixteen".