11655668 has 12 divisors (see below), whose sum is σ = 20422500. Its totient is φ = 5820672.

The previous prime is 11655667. The next prime is 11655673. The reversal of 11655668 is 86655611.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 7279204 = 2092^2 + 2698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655667) 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, 3830 + ... + 6162.

It is an arithmetic number, because the mean of its divisors is an integer number (1701875).

Almost surely, 2^11655668 is an apocalyptic number.

It is an amenable number.

11655668 is a deficient number, since it is larger than the sum of its proper divisors (8766832).

11655668 is a wasteful number, since it uses less digits than its factorization.

11655668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 11655668 is about 3414.0398357371. The cubic root of 11655668 is about 226.7317757980.

The spelling of 11655668 in words is "eleven million, six hundred fifty-five thousand, six hundred sixty-eight".