86181564688 has 40 divisors (see below), whose sum is σ = 168587415072. Its totient is φ = 42675376128.

The previous prime is 86181564653. The next prime is 86181564691. The reversal of 86181564688 is 88646518168.

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 7 ways as a sum of consecutive naturals, for example, 8738256 + ... + 8748112.

Almost surely, 2^86181564688 is an apocalyptic number.

It is an amenable number.

86181564688 is a deficient number, since it is larger than the sum of its proper divisors (82405850384).

86181564688 is a wasteful number, since it uses less digits than its factorization.

86181564688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079 (or 15073 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 61.

The spelling of 86181564688 in words is "eighty-six billion, one hundred eighty-one million, five hundred sixty-four thousand, six hundred eighty-eight".