11666363 has 4 divisors (see below), whose sum is σ = 11687160. Its totient is φ = 11645568.

The previous prime is 11666353. The next prime is 11666371. The reversal of 11666363 is 36366611.

11666363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36366611 = 23 ⋅1581157.

It is a cyclic number.

It is not a de Polignac number, because 11666363 - 2⁶ = 11666299 is a prime.

It is a super-2 number, since 2×11666363² = 272208051295538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11666353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9533 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (2921790).

Almost surely, 2^11666363 is an apocalyptic number.

11666363 is a deficient number, since it is larger than the sum of its proper divisors (20797).

11666363 is an equidigital number, since it uses as much as digits as its factorization.

11666363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20796.

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

The square root of 11666363 is about 3415.6058027823. The cubic root of 11666363 is about 226.8011027281.

The spelling of 11666363 in words is "eleven million, six hundred sixty-six thousand, three hundred sixty-three".