11666498 has 8 divisors (see below), whose sum is σ = 17528508. Its totient is φ = 5823664.

The previous prime is 11666491. The next prime is 11666521. The reversal of 11666498 is 89466611.

It can be written as a sum of positive squares in 2 ways, for example, as 10843849 + 822649 = 3293^2 + 907^2 .

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

It is a super-2 number, since 2×11666498² = 272214351168008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 5772.

Almost surely, 2^11666498 is an apocalyptic number.

11666498 is a deficient number, since it is larger than the sum of its proper divisors (5862010).

11666498 is an equidigital number, since it uses as much as digits as its factorization.

11666498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588.

The product of its digits is 62208, while the sum is 41.

The square root of 11666498 is about 3415.6255649588. The cubic root of 11666498 is about 226.8019775517.

The spelling of 11666498 in words is "eleven million, six hundred sixty-six thousand, four hundred ninety-eight".