86749446624161 has 2 divisors, whose sum is σ = 86749446624162. Its totient is φ = 86749446624160.

The previous prime is 86749446624149. The next prime is 86749446624187. The reversal of 86749446624161 is 16142664494768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80117178672400 + 6632267951761 = 8950820^2 + 2575319^2 .

It is a cyclic number.

It is not a de Polignac number, because 86749446624161 - 2⁴⁶ = 16380702446497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86749446624091 and 86749446624100.

It is not a weakly prime, because it can be changed into another prime (86749446624101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43374723312080 + 43374723312081.

It is an arithmetic number, because the mean of its divisors is an integer number (43374723312081).

Almost surely, 2^{86749446624161} is an apocalyptic number.

It is an amenable number.

86749446624161 is a deficient number, since it is larger than the sum of its proper divisors (1).

86749446624161 is an equidigital number, since it uses as much as digits as its factorization.

86749446624161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 334430208, while the sum is 68.

The spelling of 86749446624161 in words is "eighty-six trillion, seven hundred forty-nine billion, four hundred forty-six million, six hundred twenty-four thousand, one hundred sixty-one".