7016665 has 8 divisors (see below), whose sum is σ = 8915400. Its totient is φ = 5283072.

The previous prime is 7016663. The next prime is 7016683. The reversal of 7016665 is 5666107.

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 4313929 = 1644^2 + 2077^2 .

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 7016665 - 2¹ = 7016663 is a prime.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 41190 + ... + 41359.

It is an arithmetic number, because the mean of its divisors is an integer number (1114425).

Almost surely, 2^7016665 is an apocalyptic number.

It is an amenable number.

7016665 is a deficient number, since it is larger than the sum of its proper divisors (1898735).

7016665 is a wasteful number, since it uses less digits than its factorization.

7016665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82571.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7016665 is about 2648.8988278151. The cubic root of 7016665 is about 191.4448027216. Note that the first 3 decimals are identical.

The spelling of 7016665 in words is "seven million, sixteen thousand, six hundred sixty-five".