11668090 has 64 divisors (see below), whose sum is σ = 26173440. Its totient is φ = 3654720.

The previous prime is 11668073. The next prime is 11668099. The reversal of 11668090 is 9086611.

It is a happy number.

It is a super-2 number, since 2×11668090² = 272288648496200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (11668099) 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 31 ways as a sum of consecutive naturals, for example, 41089 + ... + 41371.

It is an arithmetic number, because the mean of its divisors is an integer number (408960).

Almost surely, 2^11668090 is an apocalyptic number.

11668090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11668090 is an abundant number, since it is smaller than the sum of its proper divisors (14505350).

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

11668090 is a wasteful number, since it uses less digits than its factorization.

11668090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11668090 is about 3415.8586036310. The cubic root of 11668090 is about 226.8122934816.

The spelling of 11668090 in words is "eleven million, six hundred sixty-eight thousand, ninety".