866182083567111 has 16 divisors (see below), whose sum is σ = 1286729263321600. Its totient is φ = 575881276261464.

The previous prime is 866182083567107. The next prime is 866182083567137. The reversal of 866182083567111 is 111765380281668.

It is a happy number.

866182083567111 is a `hidden beast` number, since 8 + 6 + 6 + 1 + 8 + 208 + 356 + 71 + 1 + 1 = 666.

It is not a de Polignac number, because 866182083567111 - 2² = 866182083567107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866182083567161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43706826481 + ... + 43706846298.

It is an arithmetic number, because the mean of its divisors is an integer number (80420578957600).

Almost surely, 2^{866182083567111} is an apocalyptic number.

866182083567111 is a deficient number, since it is larger than the sum of its proper divisors (420547179754489).

866182083567111 is a wasteful number, since it uses less digits than its factorization.

866182083567111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87413673155 (or 87413673149 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 866182083567111 in words is "eight hundred sixty-six trillion, one hundred eighty-two billion, eighty-three million, five hundred sixty-seven thousand, one hundred eleven".