8144650564418 has 32 divisors (see below), whose sum is σ = 12428705136960. Its totient is φ = 4002455255040.

The previous prime is 8144650564417. The next prime is 8144650564429.

8144650564418 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8144650564411) 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, 16340978 + ... + 16832018.

It is an arithmetic number, because the mean of its divisors is an integer number (388397035530).

Almost surely, 2^{8144650564418} is an apocalyptic number.

8144650564418 is a deficient number, since it is larger than the sum of its proper divisors (4284054572542).

8144650564418 is a wasteful number, since it uses less digits than its factorization.

8144650564418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491762.

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 8144650564418 in words is "eight trillion, one hundred forty-four billion, six hundred fifty million, five hundred sixty-four thousand, four hundred eighteen".