11661268 has 6 divisors (see below), whose sum is σ = 20407226. Its totient is φ = 5830632.

The previous prime is 11661259. The next prime is 11661271. The reversal of 11661268 is 86216611.

It can be written as a sum of positive squares in only one way, i.e., 10575504 + 1085764 = 3252^2 + 1042^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457655 + ... + 1457662.

Almost surely, 2^11661268 is an apocalyptic number.

It is an amenable number.

11661268 is a deficient number, since it is larger than the sum of its proper divisors (8745958).

11661268 is a wasteful number, since it uses less digits than its factorization.

11661268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915321 (or 2915319 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 11661268 is about 3414.8598799951. The cubic root of 11661268 is about 226.7680813006.

Adding to 11661268 its reverse (86216611), we get a palindrome (97877879).

The spelling of 11661268 in words is "eleven million, six hundred sixty-one thousand, two hundred sixty-eight".