1366018886 has 16 divisors (see below), whose sum is σ = 2072725200. Its totient is φ = 675153408.

The previous prime is 1366018861. The next prime is 1366018891. The reversal of 1366018886 is 6888106631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366018886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54230 + ... + 75318.

It is an arithmetic number, because the mean of its divisors is an integer number (129545325).

Almost surely, 2^1366018886 is an apocalyptic number.

1366018886 is a deficient number, since it is larger than the sum of its proper divisors (706706314).

1366018886 is a wasteful number, since it uses less digits than its factorization.

1366018886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21463.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1366018886 is about 36959.6927205841. The cubic root of 1366018886 is about 1109.5636858888.

The spelling of 1366018886 in words is "one billion, three hundred sixty-six million, eighteen thousand, eight hundred eighty-six".