11666336 has 72 divisors (see below), whose sum is σ = 26544672. Its totient is φ = 5033600.

The previous prime is 11666329. The next prime is 11666339. The reversal of 11666336 is 63366611.

It is a super-2 number, since 2×11666336² = 272206791329792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (11666339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88991 + ... + 89121.

It is an arithmetic number, because the mean of its divisors is an integer number (368676).

Almost surely, 2^11666336 is an apocalyptic number.

11666336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11666336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272336).

11666336 is an abundant number, since it is smaller than the sum of its proper divisors (14878336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11666336 is a wasteful number, since it uses less digits than its factorization.

11666336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 167 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 11666336 is about 3415.6018503333. The cubic root of 11666336 is about 226.8009277625.

The spelling of 11666336 in words is "eleven million, six hundred sixty-six thousand, three hundred thirty-six".