1366556394114 has 80 divisors (see below), whose sum is σ = 3278652082200. Its totient is φ = 423906379776.

The previous prime is 1366556394109. The next prime is 1366556394139. The reversal of 1366556394114 is 4114936556631.

1366556394114 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 556 + 39 + 41 + 14 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1315992125889 + 50564268225 = 1147167^2 + 224865^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2542579 + ... + 3032790.

Almost surely, 2^{1366556394114} is an apocalyptic number.

1366556394114 is an abundant number, since it is smaller than the sum of its proper divisors (1912095688086).

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

1366556394114 is a wasteful number, since it uses less digits than its factorization.

1366556394114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575489 (or 5575480 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 1366556394114 in words is "one trillion, three hundred sixty-six billion, five hundred fifty-six million, three hundred ninety-four thousand, one hundred fourteen".