163054534713491 has 2 divisors, whose sum is σ = 163054534713492. Its totient is φ = 163054534713490.

The previous prime is 163054534713479. The next prime is 163054534713523. The reversal of 163054534713491 is 194317435450361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163054534713491 - 2¹⁰ = 163054534712467 is a prime.

It is not a weakly prime, because it can be changed into another prime (163054534713391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81527267356745 + 81527267356746.

It is an arithmetic number, because the mean of its divisors is an integer number (81527267356746).

Almost surely, 2^{163054534713491} is an apocalyptic number.

163054534713491 is a deficient number, since it is larger than the sum of its proper divisors (1).

163054534713491 is an equidigital number, since it uses as much as digits as its factorization.

163054534713491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 163054534713491 in words is "one hundred sixty-three trillion, fifty-four billion, five hundred thirty-four million, seven hundred thirteen thousand, four hundred ninety-one".