8166022206618 has 64 divisors (see below), whose sum is σ = 17638038282240. Its totient is φ = 2512702196928.

The previous prime is 8166022206581. The next prime is 8166022206659.

8166022206618 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8100205 + ... + 9052367.

It is an arithmetic number, because the mean of its divisors is an integer number (275594348160).

Almost surely, 2^{8166022206618} is an apocalyptic number.

8166022206618 is an abundant number, since it is smaller than the sum of its proper divisors (9472016075622).

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

8166022206618 is a wasteful number, since it uses less digits than its factorization.

8166022206618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954363.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 8166022206618 in words is "eight trillion, one hundred sixty-six billion, twenty-two million, two hundred six thousand, six hundred eighteen".