1366664093 has 8 divisors (see below), whose sum is σ = 1373432760. Its totient is φ = 1359912960.

The previous prime is 1366664087. The next prime is 1366664099. The reversal of 1366664093 is 3904666631.

It is an interprime number because it is at equal distance from previous prime (1366664087) and next prime (1366664099).

It can be written as a sum of positive squares in 4 ways, for example, as 469242244 + 897421849 = 21662^2 + 29957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366664093 - 2⁴ = 1366664077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366664099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168221 + ... + 176157.

It is an arithmetic number, because the mean of its divisors is an integer number (171679095).

Almost surely, 2^1366664093 is an apocalyptic number.

It is an amenable number.

1366664093 is a deficient number, since it is larger than the sum of its proper divisors (6768667).

1366664093 is an equidigital number, since it uses as much as digits as its factorization.

1366664093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 1366664093 is about 36968.4202123921. The cubic root of 1366664093 is about 1109.7383505247.

The spelling of 1366664093 in words is "one billion, three hundred sixty-six million, six hundred sixty-four thousand, ninety-three".