1366113216 has 56 divisors (see below), whose sum is σ = 3892554064. Its totient is φ = 420341760.

The previous prime is 1366113209. The next prime is 1366113257. The reversal of 1366113216 is 6123116631.

It is a nude number because it is divisible by every one of its digits.

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, 271165 + ... + 276156.

It is an arithmetic number, because the mean of its divisors is an integer number (69509894).

Almost surely, 2^1366113216 is an apocalyptic number.

1366113216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1366113216 is an abundant number, since it is smaller than the sum of its proper divisors (2526440848).

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

1366113216 is a wasteful number, since it uses less digits than its factorization.

1366113216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547349 (or 547339 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 1366113216 is about 36960.9688184712. The cubic root of 1366113216 is about 1109.5892254902.

Adding to 1366113216 its reverse (6123116631), we get a palindrome (7489229847).

The spelling of 1366113216 in words is "one billion, three hundred sixty-six million, one hundred thirteen thousand, two hundred sixteen".