11664071 has 2 divisors, whose sum is σ = 11664072. Its totient is φ = 11664070.

The previous prime is 11664053. The next prime is 11664077. The reversal of 11664071 is 17046611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11664071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11664071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11664077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832035 + 5832036.

It is an arithmetic number, because the mean of its divisors is an integer number (5832036).

Almost surely, 2^11664071 is an apocalyptic number.

11664071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664071 is an equidigital number, since it uses as much as digits as its factorization.

11664071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11664071 is about 3415.2702674898. The cubic root of 11664071 is about 226.7862491365.

The spelling of 11664071 in words is "eleven million, six hundred sixty-four thousand, seventy-one".