1328380516 has 24 divisors (see below), whose sum is σ = 2488500000. Its totient is φ = 618565824.

The previous prime is 1328380513. The next prime is 1328380519. The reversal of 1328380516 is 6150838231.

It is an interprime number because it is at equal distance from previous prime (1328380513) and next prime (1328380519).

It is not an unprimeable number, because it can be changed into a prime (1328380513) 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 7 ways as a sum of consecutive naturals, for example, 143641 + ... + 152608.

It is an arithmetic number, because the mean of its divisors is an integer number (103687500).

Almost surely, 2^1328380516 is an apocalyptic number.

It is an amenable number.

1328380516 is a deficient number, since it is larger than the sum of its proper divisors (1160119484).

1328380516 is a wasteful number, since it uses less digits than its factorization.

1328380516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296331 (or 296329 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1328380516 is about 36446.9548247861. The cubic root of 1328380516 is about 1099.2779051480.

The spelling of 1328380516 in words is "one billion, three hundred twenty-eight million, three hundred eighty thousand, five hundred sixteen".