1326675688065 has 256 divisors, whose sum is σ = 3035862466560. Its totient is φ = 534278384640.

The previous prime is 1326675688061. The next prime is 1326675688067. The reversal of 1326675688065 is 5608865766231.

1326675688065 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 6 + 7 + 568 + 8 + 0 + 65 = 666.

It is not a de Polignac number, because 1326675688065 - 2² = 1326675688061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1326675687993 and 1326675688011.

It is not an unprimeable number, because it can be changed into a prime (1326675688061) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 130817895 + ... + 130828035.

It is an arithmetic number, because the mean of its divisors is an integer number (11858837760).

Almost surely, 2^{1326675688065} is an apocalyptic number.

1326675688065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1326675688065 is an abundant number, since it is smaller than the sum of its proper divisors (1709186778495).

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

1326675688065 is a wasteful number, since it uses less digits than its factorization.

1326675688065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661 (or 10655 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 1326675688065 in words is "one trillion, three hundred twenty-six billion, six hundred seventy-five million, six hundred eighty-eight thousand, sixty-five".