1366116355 has 4 divisors (see below), whose sum is σ = 1639339632. Its totient is φ = 1092893080.

The previous prime is 1366116317. The next prime is 1366116371. The reversal of 1366116355 is 5536116631.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1366116355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136611631 + ... + 136611640.

It is an arithmetic number, because the mean of its divisors is an integer number (409834908).

Almost surely, 2^1366116355 is an apocalyptic number.

1366116355 is a deficient number, since it is larger than the sum of its proper divisors (273223277).

1366116355 is an equidigital number, since it uses as much as digits as its factorization.

1366116355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273223276.

The product of its digits is 48600, while the sum is 37.

The square root of 1366116355 is about 36961.0112821606. The cubic root of 1366116355 is about 1109.5900753460.

The spelling of 1366116355 in words is "one billion, three hundred sixty-six million, one hundred sixteen thousand, three hundred fifty-five".