6663079 has 2 divisors, whose sum is σ = 6663080. Its totient is φ = 6663078.

The previous prime is 6663073. The next prime is 6663089. The reversal of 6663079 is 9703666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6663079 - 2⁹ = 6662567 is a prime.

6663079 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6663073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331539 + 3331540.

It is an arithmetic number, because the mean of its divisors is an integer number (3331540).

Almost surely, 2^6663079 is an apocalyptic number.

6663079 is a deficient number, since it is larger than the sum of its proper divisors (1).

6663079 is an equidigital number, since it uses as much as digits as its factorization.

6663079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 6663079 is about 2581.2940553141. The cubic root of 6663079 is about 188.1734384823.

The spelling of 6663079 in words is "six million, six hundred sixty-three thousand, seventy-nine".