11668338 has 48 divisors (see below), whose sum is σ = 28484352. Its totient is φ = 3420000.

The previous prime is 11668333. The next prime is 11668343. The reversal of 11668338 is 83386611.

It is an interprime number because it is at equal distance from previous prime (11668333) and next prime (11668343).

It is a super-2 number, since 2×11668338² = 272300223364488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11668333) 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 23 ways as a sum of consecutive naturals, for example, 5188 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (593424).

Almost surely, 2^11668338 is an apocalyptic number.

11668338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11668338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14242176).

11668338 is an abundant number, since it is smaller than the sum of its proper divisors (16816014).

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

11668338 is a wasteful number, since it uses less digits than its factorization.

11668338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11668338 is about 3415.8949047065. The cubic root of 11668338 is about 226.8139004013.

The spelling of 11668338 in words is "eleven million, six hundred sixty-eight thousand, three hundred thirty-eight".