165227166679 has 2 divisors, whose sum is σ = 165227166680. Its totient is φ = 165227166678.

The previous prime is 165227166659. The next prime is 165227166773. The reversal of 165227166679 is 976661722561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165227166679 - 2¹⁹ = 165226642391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165227166659) 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 as a sum of consecutive naturals, namely, 82613583339 + 82613583340.

It is an arithmetic number, because the mean of its divisors is an integer number (82613583340).

Almost surely, 2^165227166679 is an apocalyptic number.

165227166679 is a deficient number, since it is larger than the sum of its proper divisors (1).

165227166679 is an equidigital number, since it uses as much as digits as its factorization.

165227166679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 58.

The spelling of 165227166679 in words is "one hundred sixty-five billion, two hundred twenty-seven million, one hundred sixty-six thousand, six hundred seventy-nine".