86256517164 has 12 divisors (see below), whose sum is σ = 201265206744. Its totient is φ = 28752172384.

The previous prime is 86256517097. The next prime is 86256517183. The reversal of 86256517164 is 46171565268.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594021537 + ... + 3594021560.

It is an arithmetic number, because the mean of its divisors is an integer number (16772100562).

Almost surely, 2^86256517164 is an apocalyptic number.

It is an amenable number.

86256517164 is an abundant number, since it is smaller than the sum of its proper divisors (115008689580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86256517164 is a wasteful number, since it uses less digits than its factorization.

86256517164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188043104 (or 7188043102 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 86256517164 in words is "eighty-six billion, two hundred fifty-six million, five hundred seventeen thousand, one hundred sixty-four".