1326966066975 has 24 divisors (see below), whose sum is σ = 2289304939392. Its totient is φ = 676945007200.

The previous prime is 1326966066971. The next prime is 1326966066989. The reversal of 1326966066975 is 5796606696231.

It is not a de Polignac number, because 1326966066975 - 2² = 1326966066971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326966066971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384626121 + ... + 384629570.

It is an arithmetic number, because the mean of its divisors is an integer number (95387705808).

Almost surely, 2^{1326966066975} is an apocalyptic number.

1326966066975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1326966066975 is a deficient number, since it is larger than the sum of its proper divisors (962338872417).

1326966066975 is a wasteful number, since it uses less digits than its factorization.

1326966066975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769255727 (or 769255722 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 66.

The spelling of 1326966066975 in words is "one trillion, three hundred twenty-six billion, nine hundred sixty-six million, sixty-six thousand, nine hundred seventy-five".