6666853337 has 4 divisors (see below), whose sum is σ = 6667449600. Its totient is φ = 6666257076.

The previous prime is 6666853289. The next prime is 6666853351. The reversal of 6666853337 is 7333586666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6666853337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666853357) 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, 281033 + ... + 303830.

It is an arithmetic number, because the mean of its divisors is an integer number (1666862400).

Almost surely, 2^6666853337 is an apocalyptic number.

It is an amenable number.

6666853337 is a deficient number, since it is larger than the sum of its proper divisors (596263).

6666853337 is a wasteful number, since it uses less digits than its factorization.

6666853337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596262.

The product of its digits is 9797760, while the sum is 53.

The square root of 6666853337 is about 81650.8012024377. The cubic root of 6666853337 is about 1882.0896239490.

The spelling of 6666853337 in words is "six billion, six hundred sixty-six million, eight hundred fifty-three thousand, three hundred thirty-seven".