666076 has 12 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 329120.

The previous prime is 666073. The next prime is 666079. The reversal of 666076 is 670666.

It is a happy number.

666076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (666073) and next prime (666079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666073) 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, 580 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

2⁶⁶⁶⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

666076 is a deficient number, since it is larger than the sum of its proper divisors (513284).

666076 is a wasteful number, since it uses less digits than its factorization.

666076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 666076 is about 816.1347927885. The cubic root of 666076 is about 87.3322391073.

The spelling of 666076 in words is "six hundred sixty-six thousand, seventy-six".