163491799703 has 2 divisors, whose sum is σ = 163491799704. Its totient is φ = 163491799702.

The previous prime is 163491799673. The next prime is 163491799733. The reversal of 163491799703 is 307997194361.

163491799703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (163491799673) and next prime (163491799733).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163491799703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163491799733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81745899851 + 81745899852.

It is an arithmetic number, because the mean of its divisors is an integer number (81745899852).

Almost surely, 2^163491799703 is an apocalyptic number.

163491799703 is a deficient number, since it is larger than the sum of its proper divisors (1).

163491799703 is an equidigital number, since it uses as much as digits as its factorization.

163491799703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7715736, while the sum is 59.

The spelling of 163491799703 in words is "one hundred sixty-three billion, four hundred ninety-one million, seven hundred ninety-nine thousand, seven hundred three".