8168670768618 has 12 divisors (see below), whose sum is σ = 17698786665378. Its totient is φ = 2722890256200.

The previous prime is 8168670768617. The next prime is 8168670768619.

8168670768618 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (8168670768617) and next prime (8168670768619).

It can be written as a sum of positive squares in only one way, i.e., 8108330285169 + 60340483449 = 2847513^2 + 245643^2 .

It is not an unprimeable number, because it can be changed into a prime (8168670768617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226907521333 + ... + 226907521368.

Almost surely, 2^{8168670768618} is an apocalyptic number.

8168670768618 is an abundant number, since it is smaller than the sum of its proper divisors (9530115896760).

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

8168670768618 is a wasteful number, since it uses less digits than its factorization.

8168670768618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453815042709 (or 453815042706 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 72.

The spelling of 8168670768618 in words is "eight trillion, one hundred sixty-eight billion, six hundred seventy million, seven hundred sixty-eight thousand, six hundred eighteen".