11666868 has 24 divisors (see below), whose sum is σ = 27317472. Its totient is φ = 3875424.

The previous prime is 11666867. The next prime is 11666873. The reversal of 11666868 is 86866611.

It is a super-3 number, since 3×11666868³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (1138228).

Almost surely, 2^11666868 is an apocalyptic number.

It is an amenable number.

11666868 is an abundant number, since it is smaller than the sum of its proper divisors (15650604).

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

11666868 is a wasteful number, since it uses less digits than its factorization.

11666868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 3389 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 11666868 is about 3415.6797273749. The cubic root of 11666868 is about 226.8043751819.

The spelling of 11666868 in words is "eleven million, six hundred sixty-six thousand, eight hundred sixty-eight".