11146666 has 4 divisors (see below), whose sum is σ = 16720002. Its totient is φ = 5573332.

The previous prime is 11146637. The next prime is 11146691. The reversal of 11146666 is 66664111.

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

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 3721041 = 2725^2 + 1929^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

11146666 is a modest number, since divided by 6666 gives 1114 as remainder.

It is a plaindrome in base 10.

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, 2786665 + ... + 2786668.

Almost surely, 2^11146666 is an apocalyptic number.

11146666 is a deficient number, since it is larger than the sum of its proper divisors (5573336).

11146666 is an equidigital number, since it uses as much as digits as its factorization.

11146666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573335.

The product of its digits is 5184, while the sum is 31.

The square root of 11146666 is about 3338.6623069727. The cubic root of 11146666 is about 223.3820794069.

The spelling of 11146666 in words is "eleven million, one hundred forty-six thousand, six hundred sixty-six".