12066670591 has 2 divisors, whose sum is σ = 12066670592. Its totient is φ = 12066670590.

The previous prime is 12066670589. The next prime is 12066670663. The reversal of 12066670591 is 19507666021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12066670591 - 2¹ = 12066670589 is a prime.

Together with 12066670589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12066670571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033335295 + 6033335296.

It is an arithmetic number, because the mean of its divisors is an integer number (6033335296).

Almost surely, 2^12066670591 is an apocalyptic number.

12066670591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066670591 is an equidigital number, since it uses as much as digits as its factorization.

12066670591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 12066670591 in words is "twelve billion, sixty-six million, six hundred seventy thousand, five hundred ninety-one".