11666358 has 24 divisors (see below), whose sum is σ = 27575496. Its totient is φ = 3535200.

The previous prime is 11666353. The next prime is 11666371. The reversal of 11666358 is 85366611.

It is a happy number.

It is a super-2 number, since 2×11666358² = 272207817968328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666351) 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 11 ways as a sum of consecutive naturals, for example, 29263 + ... + 29658.

It is an arithmetic number, because the mean of its divisors is an integer number (1148979).

Almost surely, 2^11666358 is an apocalyptic number.

11666358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11666358 is an abundant number, since it is smaller than the sum of its proper divisors (15909138).

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

11666358 is a wasteful number, since it uses less digits than its factorization.

11666358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58940 (or 58937 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 11666358 is about 3415.6050708476. The cubic root of 11666358 is about 226.8010703271.

The spelling of 11666358 in words is "eleven million, six hundred sixty-six thousand, three hundred fifty-eight".