21163336465163 has 2 divisors, whose sum is σ = 21163336465164. Its totient is φ = 21163336465162.

The previous prime is 21163336465121. The next prime is 21163336465291. The reversal of 21163336465163 is 36156463336112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21163336465163 - 2¹² = 21163336461067 is a prime.

It is not a weakly prime, because it can be changed into another prime (21163336465763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10581668232581 + 10581668232582.

It is an arithmetic number, because the mean of its divisors is an integer number (10581668232582).

Almost surely, 2^{21163336465163} is an apocalyptic number.

21163336465163 is a deficient number, since it is larger than the sum of its proper divisors (1).

21163336465163 is an equidigital number, since it uses as much as digits as its factorization.

21163336465163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 50.

The spelling of 21163336465163 in words is "twenty-one trillion, one hundred sixty-three billion, three hundred thirty-six million, four hundred sixty-five thousand, one hundred sixty-three".