11650666 has 4 divisors (see below), whose sum is σ = 17476002. Its totient is φ = 5825332.

The previous prime is 11650649. The next prime is 11650679. The reversal of 11650666 is 66605611.

11650666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 6682225 + 4968441 = 2585^2 + 2229^2 .

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.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912665 + ... + 2912668.

Almost surely, 2^11650666 is an apocalyptic number.

11650666 is a deficient number, since it is larger than the sum of its proper divisors (5825336).

11650666 is an equidigital number, since it uses as much as digits as its factorization.

11650666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825335.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 11650666 is about 3413.3071939103. The cubic root of 11650666 is about 226.6993373707.

The spelling of 11650666 in words is "eleven million, six hundred fifty thousand, six hundred sixty-six".