11545666 has 8 divisors (see below), whose sum is σ = 18892944. Its totient is φ = 5248020.

The previous prime is 11545663. The next prime is 11545727. The reversal of 11545666 is 66654511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11545663) 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, 262380 + ... + 262423.

It is an arithmetic number, because the mean of its divisors is an integer number (2361618).

Almost surely, 2^11545666 is an apocalyptic number.

11545666 is a deficient number, since it is larger than the sum of its proper divisors (7347278).

11545666 is a wasteful number, since it uses less digits than its factorization.

11545666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524816.

The product of its digits is 21600, while the sum is 34.

The square root of 11545666 is about 3397.8914049746. The cubic root of 11545666 is about 226.0162491254.

The spelling of 11545666 in words is "eleven million, five hundred forty-five thousand, six hundred sixty-six".