6667168111396 has 81 divisors (see below), whose sum is σ = 12914728066611. Its totient is φ = 3010257828864.

The previous prime is 6667168111321. The next prime is 6667168111399. The reversal of 6667168111396 is 6931118617666.

The square root of 6667168111396 is 2582086.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5530897389796 + 1136270721600 = 2351786^2 + 1065960^2 .

It is a super-2 number, since 2×6667168111396² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6667168111399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3155308036 + ... + 3155310148.

Almost surely, 2^{6667168111396} is an apocalyptic number.

6667168111396 is the 2582086-th square number.

It is an amenable number.

6667168111396 is a deficient number, since it is larger than the sum of its proper divisors (6247559955215).

6667168111396 is an equidigital number, since it uses as much as digits as its factorization.

6667168111396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 2175 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 61.

The spelling of 6667168111396 in words is "six trillion, six hundred sixty-seven billion, one hundred sixty-eight million, one hundred eleven thousand, three hundred ninety-six".