163965290763719 has 2 divisors, whose sum is σ = 163965290763720. Its totient is φ = 163965290763718.

The previous prime is 163965290763689. The next prime is 163965290763803. The reversal of 163965290763719 is 917367092569361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163965290763719 is a prime.

It is a super-2 number, since 2×163965290763719² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163965290762719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81982645381859 + 81982645381860.

It is an arithmetic number, because the mean of its divisors is an integer number (81982645381860).

Almost surely, 2^{163965290763719} is an apocalyptic number.

163965290763719 is a deficient number, since it is larger than the sum of its proper divisors (1).

163965290763719 is an equidigital number, since it uses as much as digits as its factorization.

163965290763719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 694416240, while the sum is 74.

The spelling of 163965290763719 in words is "one hundred sixty-three trillion, nine hundred sixty-five billion, two hundred ninety million, seven hundred sixty-three thousand, seven hundred nineteen".