86168618 has 8 divisors (see below), whose sum is σ = 130889280. Its totient is φ = 42538860.

The previous prime is 86168617. The next prime is 86168639. The reversal of 86168618 is 81686168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86168617) by changing a digit.

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, 272528 + ... + 272843.

It is an arithmetic number, because the mean of its divisors is an integer number (16361160).

Almost surely, 2^86168618 is an apocalyptic number.

86168618 is a deficient number, since it is larger than the sum of its proper divisors (44720662).

86168618 is a wasteful number, since it uses less digits than its factorization.

86168618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545452.

The product of its digits is 110592, while the sum is 44.

The square root of 86168618 is about 9282.7053168783. The cubic root of 86168618 is about 441.6887887974.

The spelling of 86168618 in words is "eighty-six million, one hundred sixty-eight thousand, six hundred eighteen".