6166223271913 has 2 divisors, whose sum is σ = 6166223271914. Its totient is φ = 6166223271912.

The previous prime is 6166223271893. The next prime is 6166223271947. The reversal of 6166223271913 is 3191723226616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5578420449424 + 587802822489 = 2361868^2 + 766683^2 .

It is a cyclic number.

It is not a de Polignac number, because 6166223271913 - 2²⁵ = 6166189717481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6166223671913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3083111635956 + 3083111635957.

It is an arithmetic number, because the mean of its divisors is an integer number (3083111635957).

Almost surely, 2^{6166223271913} is an apocalyptic number.

It is an amenable number.

6166223271913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6166223271913 is an equidigital number, since it uses as much as digits as its factorization.

6166223271913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The spelling of 6166223271913 in words is "six trillion, one hundred sixty-six billion, two hundred twenty-three million, two hundred seventy-one thousand, nine hundred thirteen".