11666833 has 2 divisors, whose sum is σ = 11666834. Its totient is φ = 11666832.

The previous prime is 11666807. The next prime is 11666843. The reversal of 11666833 is 33866611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 3504384 = 2857^2 + 1872^2 .

It is a cyclic number.

It is not a de Polignac number, because 11666833 - 2⁵ = 11666801 is a prime.

It is a super-2 number, since 2×11666833² = 272229984499778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11666843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833416 + 5833417.

It is an arithmetic number, because the mean of its divisors is an integer number (5833417).

Almost surely, 2^11666833 is an apocalyptic number.

It is an amenable number.

11666833 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666833 is an equidigital number, since it uses as much as digits as its factorization.

11666833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 11666833 is about 3415.6746039399. The cubic root of 11666833 is about 226.8041483812.

The spelling of 11666833 in words is "eleven million, six hundred sixty-six thousand, eight hundred thirty-three".