11641066 has 4 divisors (see below), whose sum is σ = 17461602. Its totient is φ = 5820532.

The previous prime is 11641037. The next prime is 11641087. The reversal of 11641066 is 66014611.

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., 7756225 + 3884841 = 2785^2 + 1971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11641066.

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, 2910265 + ... + 2910268.

Almost surely, 2^11641066 is an apocalyptic number.

11641066 is a deficient number, since it is larger than the sum of its proper divisors (5820536).

11641066 is an equidigital number, since it uses as much as digits as its factorization.

11641066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820535.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 11641066 is about 3411.9006433365. The cubic root of 11641066 is about 226.6370544745.

Adding to 11641066 its reverse (66014611), we get a palindrome (77655677).

The spelling of 11641066 in words is "eleven million, six hundred forty-one thousand, sixty-six".