86180182618 has 8 divisors (see below), whose sum is σ = 129616844148. Its totient is φ = 42974567904.

The previous prime is 86180182609. The next prime is 86180182633. The reversal of 86180182618 is 81628108168.

It can be written as a sum of positive squares in 2 ways, for example, as 84941353809 + 1238828809 = 291447^2 + 35197^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57760771 + ... + 57762262.

Almost surely, 2^86180182618 is an apocalyptic number.

86180182618 is a deficient number, since it is larger than the sum of its proper divisors (43436661530).

86180182618 is a wasteful number, since it uses less digits than its factorization.

86180182618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115523408.

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 86180182618 in words is "eighty-six billion, one hundred eighty million, one hundred eighty-two thousand, six hundred eighteen".