1366008946443 has 24 divisors (see below), whose sum is σ = 1993280915808. Its totient is φ = 901378334592.

The previous prime is 1366008946441. The next prime is 1366008946451. The reversal of 1366008946443 is 3446498006631.

It is a happy number.

1366008946443 is a `hidden beast` number, since 1 + 3 + 6 + 60 + 0 + 89 + 464 + 43 = 666.

It is not a de Polignac number, because 1366008946443 - 2¹ = 1366008946441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366008946443.

It is not an unprimeable number, because it can be changed into a prime (1366008946441) 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, 1482271 + ... + 2220167.

It is an arithmetic number, because the mean of its divisors is an integer number (83053371492).

Almost surely, 2^{1366008946443} is an apocalyptic number.

1366008946443 is a deficient number, since it is larger than the sum of its proper divisors (627271969365).

1366008946443 is a wasteful number, since it uses less digits than its factorization.

1366008946443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740003 (or 740000 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 1366008946443 in words is "one trillion, three hundred sixty-six billion, eight million, nine hundred forty-six thousand, four hundred forty-three".