11649166 has 16 divisors (see below), whose sum is σ = 18844560. Its totient is φ = 5382720.

The previous prime is 11649151. The next prime is 11649179. The reversal of 11649166 is 66194611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (1177785).

Almost surely, 2^11649166 is an apocalyptic number.

11649166 is a deficient number, since it is larger than the sum of its proper divisors (7195394).

11649166 is a wasteful number, since it uses less digits than its factorization.

11649166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539.

The product of its digits is 7776, while the sum is 34.

The square root of 11649166 is about 3413.0874585923. The cubic root of 11649166 is about 226.6896079241.

The spelling of 11649166 in words is "eleven million, six hundred forty-nine thousand, one hundred sixty-six".