11666633 has 8 divisors (see below), whose sum is σ = 13138176. Its totient is φ = 10263600.

The previous prime is 11666621. The next prime is 11666647. The reversal of 11666633 is 33666611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11666633 - 2⁴ = 11666617 is a prime.

It is a super-2 number, since 2×11666633² = 272220651113378, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11666633.

It is not an unprimeable number, because it can be changed into a prime (11666653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16766 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (1642272).

Almost surely, 2^11666633 is an apocalyptic number.

It is an amenable number.

11666633 is a deficient number, since it is larger than the sum of its proper divisors (1471543).

11666633 is a wasteful number, since it uses less digits than its factorization.

11666633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34255.

The product of its digits is 11664, while the sum is 32.

The square root of 11666633 is about 3415.6453270209. The cubic root of 11666633 is about 226.8028523686.

The spelling of 11666633 in words is "eleven million, six hundred sixty-six thousand, six hundred thirty-three".