6666667407339 has 16 divisors (see below), whose sum is σ = 9022222444032. Its totient is φ = 4377788398368.

The previous prime is 6666667407313. The next prime is 6666667407343. The reversal of 6666667407339 is 9337047666666.

It is not a de Polignac number, because 6666667407339 - 2¹⁷ = 6666667276267 is a prime.

It is a super-2 number, since 2×6666667407339² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6666667407359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541182 + ... + 3963404.

It is an arithmetic number, because the mean of its divisors is an integer number (563888902752).

Almost surely, 2^{6666667407339} is an apocalyptic number.

6666667407339 is a deficient number, since it is larger than the sum of its proper divisors (2355555036693).

6666667407339 is a wasteful number, since it uses less digits than its factorization.

6666667407339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435986.

The product of its (nonzero) digits is 740710656, while the sum is 69.

The spelling of 6666667407339 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-seven million, four hundred seven thousand, three hundred thirty-nine".