10016665 has 8 divisors (see below), whose sum is σ = 12081600. Its totient is φ = 7972272.

The previous prime is 10016623. The next prime is 10016681. The reversal of 10016665 is 56661001.

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

It is a cyclic number.

It is not a de Polignac number, because 10016665 - 2¹¹ = 10014617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4039 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (1510200).

Almost surely, 2^10016665 is an apocalyptic number.

It is an amenable number.

10016665 is a deficient number, since it is larger than the sum of its proper divisors (2064935).

10016665 is a wasteful number, since it uses less digits than its factorization.

10016665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 10016665 is about 3164.9115311490. The cubic root of 10016665 is about 215.5630814301.

Adding to 10016665 its reverse (56661001), we get a palindrome (66677666).

The spelling of 10016665 in words is "ten million, sixteen thousand, six hundred sixty-five".