802166189730111 has 64 divisors (see below), whose sum is σ = 1225908825523200. Its totient is φ = 518023985931648.

The previous prime is 802166189730083. The next prime is 802166189730173. The reversal of 802166189730111 is 111037981661208.

802166189730111 is a `hidden beast` number, since 8 + 0 + 2 + 1 + 6 + 618 + 9 + 7 + 3 + 0 + 1 + 11 = 666.

It is not a de Polignac number, because 802166189730111 - 2⁵ = 802166189730079 is a prime.

It is a super-2 number, since 2×802166189730111² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802166189730911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4781916340 + ... + 4782084086.

It is an arithmetic number, because the mean of its divisors is an integer number (19154825398800).

Almost surely, 2^{802166189730111} is an apocalyptic number.

802166189730111 is a deficient number, since it is larger than the sum of its proper divisors (423742635793089).

802166189730111 is a wasteful number, since it uses less digits than its factorization.

802166189730111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188925 (or 188919 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 802166189730111 in words is "eight hundred two trillion, one hundred sixty-six billion, one hundred eighty-nine million, seven hundred thirty thousand, one hundred eleven".