86221858884161 has 16 divisors (see below), whose sum is σ = 115766411929728. Its totient is φ = 62017720675200.

The previous prime is 86221858884157. The next prime is 86221858884179. The reversal of 86221858884161 is 16148885812268.

It is a cyclic number.

It is not a de Polignac number, because 86221858884161 - 2² = 86221858884157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86221858884091 and 86221858884100.

It is not an unprimeable number, because it can be changed into a prime (86221858884181) 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, 43067860580 + ... + 43067862581.

It is an arithmetic number, because the mean of its divisors is an integer number (7235400745608).

Almost surely, 2^{86221858884161} is an apocalyptic number.

It is an amenable number.

86221858884161 is a deficient number, since it is larger than the sum of its proper divisors (29544553045567).

86221858884161 is a wasteful number, since it uses less digits than its factorization.

86221858884161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86135723192.

The product of its digits is 94371840, while the sum is 68.

The spelling of 86221858884161 in words is "eighty-six trillion, two hundred twenty-one billion, eight hundred fifty-eight million, eight hundred eighty-four thousand, one hundred sixty-one".