11665152 has 108 divisors (see below), whose sum is σ = 34596744. Its totient is φ = 3778560.

The previous prime is 11665151. The next prime is 11665187. The reversal of 11665152 is 25156611.

It is a happy number.

11665152 is a `hidden beast` number, since 1 + 1 + 6 + 651 + 5 + 2 = 666.

11665152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140503 + ... + 140585.

Almost surely, 2^11665152 is an apocalyptic number.

11665152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11665152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17298372).

11665152 is an abundant number, since it is smaller than the sum of its proper divisors (22931592).

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

11665152 is an equidigital number, since it uses as much as digits as its factorization.

11665152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11665152 is about 3415.4285236263. The cubic root of 11665152 is about 226.7932549341.

The spelling of 11665152 in words is "eleven million, six hundred sixty-five thousand, one hundred fifty-two".