1326055216 has 20 divisors (see below), whose sum is σ = 2720363832. Its totient is φ = 624025856.

The previous prime is 1326055153. The next prime is 1326055219. The reversal of 1326055216 is 6125506231.

It is not an unprimeable number, because it can be changed into a prime (1326055219) 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, 2437330 + ... + 2437873.

Almost surely, 2^1326055216 is an apocalyptic number.

1326055216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1326055216 is an abundant number, since it is smaller than the sum of its proper divisors (1394308616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326055216 is a wasteful number, since it uses less digits than its factorization.

1326055216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875228 (or 4875222 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1326055216 is about 36415.0410682180. The cubic root of 1326055216 is about 1098.6361101631.

The spelling of 1326055216 in words is "one billion, three hundred twenty-six million, fifty-five thousand, two hundred sixteen".