7016666 has 8 divisors (see below), whose sum is σ = 10888020. Its totient is φ = 3387328.

The previous prime is 7016663. The next prime is 7016683. The reversal of 7016666 is 6666107.

It can be written as a sum of positive squares in 2 ways, for example, as 6943225 + 73441 = 2635^2 + 271^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7016663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60431 + ... + 60546.

Almost surely, 2^7016666 is an apocalyptic number.

7016666 is a deficient number, since it is larger than the sum of its proper divisors (3871354).

7016666 is a wasteful number, since it uses less digits than its factorization.

7016666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121008.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 7016666 is about 2648.8990165727. The cubic root of 7016666 is about 191.4448118163. Note that the first 3 decimals are identical.

The spelling of 7016666 in words is "seven million, sixteen thousand, six hundred sixty-six".