1366158068969 has 8 divisors (see below), whose sum is σ = 1401265551840. Its totient is φ = 1331202239136.

The previous prime is 1366158068963. The next prime is 1366158068987. The reversal of 1366158068969 is 9698608516631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366158068969 - 2⁸ = 1366158068713 is a prime.

It is a super-2 number, since 2×1366158068969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1366158068899 and 1366158068908.

It is not an unprimeable number, because it can be changed into a prime (1366158068963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37895012 + ... + 37931045.

It is an arithmetic number, because the mean of its divisors is an integer number (175158193980).

Almost surely, 2^{1366158068969} is an apocalyptic number.

It is an amenable number.

1366158068969 is a deficient number, since it is larger than the sum of its proper divisors (35107482871).

1366158068969 is an equidigital number, since it uses as much as digits as its factorization.

1366158068969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75826519.

The product of its (nonzero) digits is 100776960, while the sum is 68.

The spelling of 1366158068969 in words is "one trillion, three hundred sixty-six billion, one hundred fifty-eight million, sixty-eight thousand, nine hundred sixty-nine".