8396658566938 has 16 divisors (see below), whose sum is σ = 13142926561536. Its totient is φ = 4015692228240.

The previous prime is 8396658566917. The next prime is 8396658566939.

It is a happy number.

8396658566938 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8396658566939) 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, 430281 + ... + 4120492.

It is an arithmetic number, because the mean of its divisors is an integer number (821432910096).

Almost surely, 2^{8396658566938} is an apocalyptic number.

8396658566938 is a deficient number, since it is larger than the sum of its proper divisors (4746267994598).

8396658566938 is a wasteful number, since it uses less digits than its factorization.

8396658566938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590909.

The product of its digits is 12093235200, while the sum is 82.

The spelling of 8396658566938 in words is "eight trillion, three hundred ninety-six billion, six hundred fifty-eight million, five hundred sixty-six thousand, nine hundred thirty-eight".