11660105 has 8 divisors (see below), whose sum is σ = 14046912. Its totient is φ = 9291568.

The previous prime is 11660101. The next prime is 11660119. The reversal of 11660105 is 50106611.

It is a happy number.

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 11660105 - 2² = 11660101 is a prime.

It is a super-2 number, since 2×11660105² = 271916097222050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (1755864).

Almost surely, 2^11660105 is an apocalyptic number.

It is an amenable number.

11660105 is a deficient number, since it is larger than the sum of its proper divisors (2386807).

11660105 is an equidigital number, since it uses as much as digits as its factorization.

11660105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 11660105 is about 3414.6895905777. The cubic root of 11660105 is about 226.7605423821.

Adding to 11660105 its reverse (50106611), we get a palindrome (61766716).

The spelling of 11660105 in words is "eleven million, six hundred sixty thousand, one hundred five".