11668654 has 4 divisors (see below), whose sum is σ = 17502984. Its totient is φ = 5834326.

The previous prime is 11668619. The next prime is 11668661. The reversal of 11668654 is 45686611.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2917162 + ... + 2917165.

It is an arithmetic number, because the mean of its divisors is an integer number (4375746).

Almost surely, 2^11668654 is an apocalyptic number.

11668654 is a deficient number, since it is larger than the sum of its proper divisors (5834330).

11668654 is an equidigital number, since it uses as much as digits as its factorization.

11668654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834329.

The product of its digits is 34560, while the sum is 37.

The square root of 11668654 is about 3415.9411587438. The cubic root of 11668654 is about 226.8159478950.

The spelling of 11668654 in words is "eleven million, six hundred sixty-eight thousand, six hundred fifty-four".