11668305 has 16 divisors (see below), whose sum is σ = 20366784. Its totient is φ = 5657280.

The previous prime is 11668303. The next prime is 11668309. The reversal of 11668305 is 50386611.

It is not a de Polignac number, because 11668305 - 2¹ = 11668303 is a prime.

It is a super-2 number, since 2×11668305² = 272298683146050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11668303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35194 + ... + 35523.

It is an arithmetic number, because the mean of its divisors is an integer number (1272924).

Almost surely, 2^11668305 is an apocalyptic number.

11668305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11668305 is a deficient number, since it is larger than the sum of its proper divisors (8698479).

11668305 is a wasteful number, since it uses less digits than its factorization.

11668305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70736.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 11668305 is about 3415.8900743437. The cubic root of 11668305 is about 226.8136865786.

The spelling of 11668305 in words is "eleven million, six hundred sixty-eight thousand, three hundred five".