7108666 has 4 divisors (see below), whose sum is σ = 10663002. Its totient is φ = 3554332.

The previous prime is 7108663. The next prime is 7108681. The reversal of 7108666 is 6668017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6668017 = 113 ⋅59009.

It can be written as a sum of positive squares in only one way, i.e., 4532641 + 2576025 = 2129^2 + 1605^2 .

It is not an unprimeable number, because it can be changed into a prime (7108663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777165 + ... + 1777168.

Almost surely, 2^7108666 is an apocalyptic number.

7108666 is a deficient number, since it is larger than the sum of its proper divisors (3554336).

7108666 is a wasteful number, since it uses less digits than its factorization.

7108666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554335.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7108666 is about 2666.2081689170. The cubic root of 7108666 is about 192.2778998032.

The spelling of 7108666 in words is "seven million, one hundred eight thousand, six hundred sixty-six".