1366006091 has 2 divisors, whose sum is σ = 1366006092. Its totient is φ = 1366006090.

The previous prime is 1366006067. The next prime is 1366006093. The reversal of 1366006091 is 1906006631.

It is a strong prime.

It is an emirp because it is prime and its reverse (1906006631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1366006091 - 2⁶ = 1366006027 is a prime.

Together with 1366006093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1366006093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683003045 + 683003046.

It is an arithmetic number, because the mean of its divisors is an integer number (683003046).

Almost surely, 2^1366006091 is an apocalyptic number.

1366006091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366006091 is an equidigital number, since it uses as much as digits as its factorization.

1366006091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1366006091 is about 36959.5196262073. The cubic root of 1366006091 is about 1109.5602215854.

The spelling of 1366006091 in words is "one billion, three hundred sixty-six million, six thousand, ninety-one".