11661108 has 12 divisors (see below), whose sum is σ = 27209280. Its totient is φ = 3887032.

The previous prime is 11661101. The next prime is 11661119. The reversal of 11661108 is 80116611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661101) 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, 485868 + ... + 485891.

It is an arithmetic number, because the mean of its divisors is an integer number (2267440).

Almost surely, 2^11661108 is an apocalyptic number.

It is an amenable number.

11661108 is an abundant number, since it is smaller than the sum of its proper divisors (15548172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11661108 is a wasteful number, since it uses less digits than its factorization.

11661108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971766 (or 971764 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11661108 is about 3414.8364528920. The cubic root of 11661108 is about 226.7670441618.

Adding to 11661108 its reverse (80116611), we get a palindrome (91777719).

The spelling of 11661108 in words is "eleven million, six hundred sixty-one thousand, one hundred eight".