86163644751 has 16 divisors (see below), whose sum is σ = 117695864160. Its totient is φ = 56037140480.

The previous prime is 86163644737. The next prime is 86163644753. The reversal of 86163644751 is 15744636168.

It is a cyclic number.

It is not a de Polignac number, because 86163644751 - 2⁶ = 86163644687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86163644694 and 86163644703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86163644753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940991 + ... + 2970143.

It is an arithmetic number, because the mean of its divisors is an integer number (7355991510).

Almost surely, 2^86163644751 is an apocalyptic number.

86163644751 is a deficient number, since it is larger than the sum of its proper divisors (31532219409).

86163644751 is a wasteful number, since it uses less digits than its factorization.

86163644751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53226.

The product of its digits is 2903040, while the sum is 51.

The spelling of 86163644751 in words is "eighty-six billion, one hundred sixty-three million, six hundred forty-four thousand, seven hundred fifty-one".