86366128191 has 16 divisors (see below), whose sum is σ = 133271424000. Its totient is φ = 48727362528.

The previous prime is 86366128169. The next prime is 86366128229. The reversal of 86366128191 is 19182166368.

It is not a de Polignac number, because 86366128191 - 2¹⁴ = 86366111807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86366128141) 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, 26027916 + ... + 26031233.

It is an arithmetic number, because the mean of its divisors is an integer number (8329464000).

Almost surely, 2^86366128191 is an apocalyptic number.

86366128191 is a deficient number, since it is larger than the sum of its proper divisors (46905295809).

86366128191 is a wasteful number, since it uses less digits than its factorization.

86366128191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52059238.

The product of its digits is 746496, while the sum is 51.

The spelling of 86366128191 in words is "eighty-six billion, three hundred sixty-six million, one hundred twenty-eight thousand, one hundred ninety-one".