6666152279 has 2 divisors, whose sum is σ = 6666152280. Its totient is φ = 6666152278.

The previous prime is 6666152197. The next prime is 6666152341. The reversal of 6666152279 is 9722516666.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6666152279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6666152879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333076139 + 3333076140.

It is an arithmetic number, because the mean of its divisors is an integer number (3333076140).

Almost surely, 2^6666152279 is an apocalyptic number.

6666152279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666152279 is an equidigital number, since it uses as much as digits as its factorization.

6666152279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 6666152279 is about 81646.5080637255. The cubic root of 6666152279 is about 1882.0236507843.

The spelling of 6666152279 in words is "six billion, six hundred sixty-six million, one hundred fifty-two thousand, two hundred seventy-nine".