6667666703444 has 12 divisors (see below), whose sum is σ = 11668471971744. Its totient is φ = 3333817568664.

The previous prime is 6667666703441. The next prime is 6667666703449. The reversal of 6667666703444 is 4443076667666.

It is a super-2 number, since 2×6667666703444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667666703441) 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, 2968334 + ... + 4705989.

It is an arithmetic number, because the mean of its divisors is an integer number (972372664312).

Almost surely, 2^{6667666703444} is an apocalyptic number.

It is an amenable number.

6667666703444 is a deficient number, since it is larger than the sum of its proper divisors (5000805268300).

6667666703444 is a wasteful number, since it uses less digits than its factorization.

6667666703444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891534 (or 7891532 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 65.

The spelling of 6667666703444 in words is "six trillion, six hundred sixty-seven billion, six hundred sixty-six million, seven hundred three thousand, four hundred forty-four".