8160226220618 has 16 divisors (see below), whose sum is σ = 12441506077320. Its totient is φ = 4013062963200.

The previous prime is 8160226220611. The next prime is 8160226220639.

8160226220618 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4744150103449 + 3416076117169 = 2178107^2 + 1848263^2 .

It is not an unprimeable number, because it can be changed into a prime (8160226220611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684298 + ... + 4376906.

Almost surely, 2^{8160226220618} is an apocalyptic number.

8160226220618 is a deficient number, since it is larger than the sum of its proper divisors (4281279856702).

8160226220618 is a wasteful number, since it uses less digits than its factorization.

8160226220618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717513.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 8160226220618 in words is "eight trillion, one hundred sixty billion, two hundred twenty-six million, two hundred twenty thousand, six hundred eighteen".