8166336618 has 32 divisors (see below), whose sum is σ = 17993886912. Its totient is φ = 2450144000.

The previous prime is 8166336611. The next prime is 8166336641.

8166336618 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8166336611) 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, 605871 + ... + 619202.

It is an arithmetic number, because the mean of its divisors is an integer number (562308966).

Almost surely, 2^8166336618 is an apocalyptic number.

8166336618 is an abundant number, since it is smaller than the sum of its proper divisors (9827550294).

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

8166336618 is a wasteful number, since it uses less digits than its factorization.

8166336618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225190.

The product of its digits is 746496, while the sum is 48.

The square root of 8166336618 is about 90367.7852887853. The cubic root of 8166336618 is about 2013.7664103951.

The spelling of 8166336618 in words is "eight billion, one hundred sixty-six million, three hundred thirty-six thousand, six hundred eighteen".