1328655426976 has 24 divisors (see below), whose sum is σ = 2629485621504. Its totient is φ = 660849554880.

The previous prime is 1328655426919. The next prime is 1328655426983. The reversal of 1328655426976 is 6796245568231.

It is a happy number.

It is an unprimeable number.

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, 108686250 + ... + 108698473.

It is an arithmetic number, because the mean of its divisors is an integer number (109561900896).

Almost surely, 2^{1328655426976} is an apocalyptic number.

1328655426976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1328655426976 is a deficient number, since it is larger than the sum of its proper divisors (1300830194528).

1328655426976 is a wasteful number, since it uses less digits than its factorization.

1328655426976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217384924 (or 217384916 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 64.

The spelling of 1328655426976 in words is "one trillion, three hundred twenty-eight billion, six hundred fifty-five million, four hundred twenty-six thousand, nine hundred seventy-six".