10117666 has 8 divisors (see below), whose sum is σ = 16343964. Its totient is φ = 4669680.

The previous prime is 10117663. The next prime is 10117691. The reversal of 10117666 is 66671101.

It can be written as a sum of positive squares in 2 ways, for example, as 8874441 + 1243225 = 2979^2 + 1115^2 .

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 (10117663) 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, 194545 + ... + 194596.

Almost surely, 2^10117666 is an apocalyptic number.

10117666 is a deficient number, since it is larger than the sum of its proper divisors (6226298).

10117666 is a wasteful number, since it uses less digits than its factorization.

10117666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389156.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10117666 is about 3180.8278796565. The cubic root of 10117666 is about 216.2851885669.

Adding to 10117666 its reverse (66671101), we get a palindrome (76788767).

The spelling of 10117666 in words is "ten million, one hundred seventeen thousand, six hundred sixty-six".