1366065325516 has 12 divisors (see below), whose sum is σ = 2448921986280. Its totient is φ = 666373329440.

The previous prime is 1366065325511. The next prime is 1366065325517. The reversal of 1366065325516 is 6155235606631.

It is a super-2 number, since 2×1366065325516² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1366065325516.

It is not an unprimeable number, because it can be changed into a prime (1366065325511) 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 3 ways as a sum of consecutive naturals, for example, 4164833146 + ... + 4164833473.

It is an arithmetic number, because the mean of its divisors is an integer number (204076832190).

Almost surely, 2^{1366065325516} is an apocalyptic number.

It is an amenable number.

1366065325516 is a deficient number, since it is larger than the sum of its proper divisors (1082856660764).

1366065325516 is a wasteful number, since it uses less digits than its factorization.

1366065325516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329666664 (or 8329666662 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 1366065325516 in words is "one trillion, three hundred sixty-six billion, sixty-five million, three hundred twenty-five thousand, five hundred sixteen".