11158668 has 48 divisors (see below), whose sum is σ = 29112160. Its totient is φ = 3696192.

The previous prime is 11158663. The next prime is 11158687. The reversal of 11158668 is 86685111.

11158668 is a `hidden beast` number, since 1 + 11 + 586 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11158661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29730 + ... + 30102.

Almost surely, 2^11158668 is an apocalyptic number.

11158668 is a gapful number since it is divisible by the number (18) 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 11158668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14556080).

11158668 is an abundant number, since it is smaller than the sum of its proper divisors (17953492).

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

11158668 is a wasteful number, since it uses less digits than its factorization.

11158668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 655 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11158668 is about 3340.4592498637. The cubic root of 11158668 is about 223.4622250468.

The spelling of 11158668 in words is "eleven million, one hundred fifty-eight thousand, six hundred sixty-eight".