11672666 has 8 divisors (see below), whose sum is σ = 17523540. Its totient is φ = 5831488.

The previous prime is 11672663. The next prime is 11672677. The reversal of 11672666 is 66627611.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 255025 = 3379^2 + 505^2 .

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

It is a super-2 number, since 2×11672666² = 272502263095112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11672663) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3170 + ... + 5778.

Almost surely, 2^11672666 is an apocalyptic number.

11672666 is a deficient number, since it is larger than the sum of its proper divisors (5850874).

11672666 is a wasteful number, since it uses less digits than its factorization.

11672666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848.

The product of its digits is 18144, while the sum is 35.

The square root of 11672666 is about 3416.5283549240. The cubic root of 11672666 is about 226.8419400762.

The spelling of 11672666 in words is "eleven million, six hundred seventy-two thousand, six hundred sixty-six".