11668351 has 4 divisors (see below), whose sum is σ = 11939752. Its totient is φ = 11396952.

The previous prime is 11668343. The next prime is 11668387. The reversal of 11668351 is 15386611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11668351 - 2³ = 11668343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135636 + ... + 135721.

It is an arithmetic number, because the mean of its divisors is an integer number (2984938).

Almost surely, 2^11668351 is an apocalyptic number.

11668351 is a deficient number, since it is larger than the sum of its proper divisors (271401).

11668351 is an equidigital number, since it uses as much as digits as its factorization.

11668351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271400.

The product of its digits is 4320, while the sum is 31.

The square root of 11668351 is about 3415.8968075748. The cubic root of 11668351 is about 226.8139846343.

The spelling of 11668351 in words is "eleven million, six hundred sixty-eight thousand, three hundred fifty-one".