1366817080 has 16 divisors (see below), whose sum is σ = 3075338520. Its totient is φ = 546726816.

The previous prime is 1366817077. The next prime is 1366817083. The reversal of 1366817080 is 807186631.

It is an interprime number because it is at equal distance from previous prime (1366817077) and next prime (1366817083).

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 34170427 = 1366817080 / (1 + 3 + 6 + 6 + 8 + 1 + 7 + 0 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366817083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17085174 + ... + 17085253.

Almost surely, 2^1366817080 is an apocalyptic number.

1366817080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366817080 is an abundant number, since it is smaller than the sum of its proper divisors (1708521440).

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

1366817080 is a wasteful number, since it uses less digits than its factorization.

1366817080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34170438 (or 34170434 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1366817080 is about 36970.4893124232. The cubic root of 1366817080 is about 1109.7797577262.

The spelling of 1366817080 in words is "one billion, three hundred sixty-six million, eight hundred seventeen thousand, eighty".