99815682163 has 2 divisors, whose sum is σ = 99815682164. Its totient is φ = 99815682162.

The previous prime is 99815682149. The next prime is 99815682277. The reversal of 99815682163 is 36128651899.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99815682163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99815682098 and 99815682107.

It is not a weakly prime, because it can be changed into another prime (99815682133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49907841081 + 49907841082.

It is an arithmetic number, because the mean of its divisors is an integer number (49907841082).

Almost surely, 2^99815682163 is an apocalyptic number.

99815682163 is a deficient number, since it is larger than the sum of its proper divisors (1).

99815682163 is an equidigital number, since it uses as much as digits as its factorization.

99815682163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 58.

The spelling of 99815682163 in words is "ninety-nine billion, eight hundred fifteen million, six hundred eighty-two thousand, one hundred sixty-three".