26604630240163 has 2 divisors, whose sum is σ = 26604630240164. Its totient is φ = 26604630240162.

The previous prime is 26604630240113. The next prime is 26604630240173. The reversal of 26604630240163 is 36104203640662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26604630240163 is a prime.

It is not a weakly prime, because it can be changed into another prime (26604630240113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13302315120081 + 13302315120082.

It is an arithmetic number, because the mean of its divisors is an integer number (13302315120082).

Almost surely, 2^{26604630240163} is an apocalyptic number.

26604630240163 is a deficient number, since it is larger than the sum of its proper divisors (1).

26604630240163 is an equidigital number, since it uses as much as digits as its factorization.

26604630240163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 26604630240163 in words is "twenty-six trillion, six hundred four billion, six hundred thirty million, two hundred forty thousand, one hundred sixty-three".