8216197648563 has 16 divisors (see below), whose sum is σ = 10972530811296. Its totient is φ = 5468665589760.

The previous prime is 8216197648501. The next prime is 8216197648601. The reversal of 8216197648563 is 3658467916128.

It is not a de Polignac number, because 8216197648563 - 2³² = 8211902681267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8216197648494 and 8216197648503.

It is not an unprimeable number, because it can be changed into a prime (8216197641563) 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, 47089881 + ... + 47264037.

It is an arithmetic number, because the mean of its divisors is an integer number (685783175706).

Almost surely, 2^{8216197648563} is an apocalyptic number.

8216197648563 is a deficient number, since it is larger than the sum of its proper divisors (2756333162733).

8216197648563 is a wasteful number, since it uses less digits than its factorization.

8216197648563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199334.

The product of its digits is 104509440, while the sum is 66.

The spelling of 8216197648563 in words is "eight trillion, two hundred sixteen billion, one hundred ninety-seven million, six hundred forty-eight thousand, five hundred sixty-three".