1366678067814 has 144 divisors (see below), whose sum is σ = 3099441106944. Its totient is φ = 435019166400.

The previous prime is 1366678067753. The next prime is 1366678067831. The reversal of 1366678067814 is 4187608766631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 453893569 + ... + 453896579.

It is an arithmetic number, because the mean of its divisors is an integer number (21523896576).

Almost surely, 2^{1366678067814} is an apocalyptic number.

1366678067814 is an abundant number, since it is smaller than the sum of its proper divisors (1732763039130).

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

1366678067814 is a wasteful number, since it uses less digits than its factorization.

1366678067814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 1366678067814 in words is "one trillion, three hundred sixty-six billion, six hundred seventy-eight million, sixty-seven thousand, eight hundred fourteen".