8125164615218 has 64 divisors (see below), whose sum is σ = 14234328702720. Its totient is φ = 3406660457472.

The previous prime is 8125164615137. The next prime is 8125164615247.

8125164615218 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, 176254580 + ... + 176300672.

It is an arithmetic number, because the mean of its divisors is an integer number (222411385980).

Almost surely, 2^{8125164615218} is an apocalyptic number.

8125164615218 is a deficient number, since it is larger than the sum of its proper divisors (6109164087502).

8125164615218 is a wasteful number, since it uses less digits than its factorization.

8125164615218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47571.

The product of its digits is 921600, while the sum is 50.

The spelling of 8125164615218 in words is "eight trillion, one hundred twenty-five billion, one hundred sixty-four million, six hundred fifteen thousand, two hundred eighteen".