11664506 has 8 divisors (see below), whose sum is σ = 19996320. Its totient is φ = 4999068.

The previous prime is 11664503. The next prime is 11664511. The reversal of 11664506 is 60546611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11664503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416576 + ... + 416603.

It is an arithmetic number, because the mean of its divisors is an integer number (2499540).

Almost surely, 2^11664506 is an apocalyptic number.

11664506 is a deficient number, since it is larger than the sum of its proper divisors (8331814).

11664506 is an equidigital number, since it uses as much as digits as its factorization.

11664506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833188.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 11664506 is about 3415.3339514607. Note that the first 3 decimals coincide. The cubic root of 11664506 is about 226.7890683578.

The spelling of 11664506 in words is "eleven million, six hundred sixty-four thousand, five hundred six".