11661332 has 24 divisors (see below), whose sum is σ = 21235200. Its totient is φ = 5597280.

The previous prime is 11661323. The next prime is 11661347. The reversal of 11661332 is 23316611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11661298 and 11661307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19169 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (884800).

Almost surely, 2^11661332 is an apocalyptic number.

It is an amenable number.

11661332 is a deficient number, since it is larger than the sum of its proper divisors (9573868).

11661332 is a wasteful number, since it uses less digits than its factorization.

11661332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 789 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 11661332 is about 3414.8692507913. The cubic root of 11661332 is about 226.7684961534.

Adding to 11661332 its reverse (23316611), we get a palindrome (34977943).

The spelling of 11661332 in words is "eleven million, six hundred sixty-one thousand, three hundred thirty-two".