163376445647 has 2 divisors, whose sum is σ = 163376445648. Its totient is φ = 163376445646.

The previous prime is 163376445611. The next prime is 163376445653. The reversal of 163376445647 is 746544673361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163376445647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163376445592 and 163376445601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163376445667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81688222823 + 81688222824.

It is an arithmetic number, because the mean of its divisors is an integer number (81688222824).

Almost surely, 2^163376445647 is an apocalyptic number.

163376445647 is a deficient number, since it is larger than the sum of its proper divisors (1).

163376445647 is an equidigital number, since it uses as much as digits as its factorization.

163376445647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 56.

The spelling of 163376445647 in words is "one hundred sixty-three billion, three hundred seventy-six million, four hundred forty-five thousand, six hundred forty-seven".