8180934390818 has 32 divisors (see below), whose sum is σ = 15092860387968. Its totient is φ = 3245776416000.

The previous prime is 8180934390817. The next prime is 8180934390841.

8180934390818 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8180934390817) 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, 281736908 + ... + 281765943.

It is an arithmetic number, because the mean of its divisors is an integer number (471651887124).

Almost surely, 2^{8180934390818} is an apocalyptic number.

8180934390818 is a deficient number, since it is larger than the sum of its proper divisors (6911925997150).

8180934390818 is a wasteful number, since it uses less digits than its factorization.

8180934390818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563502938.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 8180934390818 in words is "eight trillion, one hundred eighty billion, nine hundred thirty-four million, three hundred ninety thousand, eight hundred eighteen".