13168666 has 8 divisors (see below), whose sum is σ = 22574880. Its totient is φ = 5643708.

The previous prime is 13168663. The next prime is 13168669. The reversal of 13168666 is 66686131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13168663) and next prime (13168669).

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 (13168663) 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, 470296 + ... + 470323.

It is an arithmetic number, because the mean of its divisors is an integer number (2821860).

Almost surely, 2^13168666 is an apocalyptic number.

13168666 is a deficient number, since it is larger than the sum of its proper divisors (9406214).

13168666 is an equidigital number, since it uses as much as digits as its factorization.

13168666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940628.

The product of its digits is 31104, while the sum is 37.

The square root of 13168666 is about 3628.8656629862. The cubic root of 13168666 is about 236.1460003417.

The spelling of 13168666 in words is "thirteen million, one hundred sixty-eight thousand, six hundred sixty-six".