802166189730911 has 2 divisors, whose sum is σ = 802166189730912. Its totient is φ = 802166189730910.

The previous prime is 802166189730881. The next prime is 802166189730929. The reversal of 802166189730911 is 119037981661208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802166189730911 - 2⁶ = 802166189730847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802166189730991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401083094865455 + 401083094865456.

It is an arithmetic number, because the mean of its divisors is an integer number (401083094865456).

Almost surely, 2^{802166189730911} is an apocalyptic number.

802166189730911 is a deficient number, since it is larger than the sum of its proper divisors (1).

802166189730911 is an equidigital number, since it uses as much as digits as its factorization.

802166189730911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 802166189730911 in words is "eight hundred two trillion, one hundred sixty-six billion, one hundred eighty-nine million, seven hundred thirty thousand, nine hundred eleven".