36666606611 has 2 divisors, whose sum is σ = 36666606612. Its totient is φ = 36666606610.

The previous prime is 36666606593. The next prime is 36666606667. The reversal of 36666606611 is 11660666663.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11660666663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36666606611 - 2²² = 36662412307 is a prime.

It is not a weakly prime, because it can be changed into another prime (36666606211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333303305 + 18333303306.

It is an arithmetic number, because the mean of its divisors is an integer number (18333303306).

Almost surely, 2^36666606611 is an apocalyptic number.

36666606611 is a deficient number, since it is larger than the sum of its proper divisors (1).

36666606611 is an equidigital number, since it uses as much as digits as its factorization.

36666606611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 36666606611 in words is "thirty-six billion, six hundred sixty-six million, six hundred six thousand, six hundred eleven".