163965290763667 has 2 divisors, whose sum is σ = 163965290763668. Its totient is φ = 163965290763666.

The previous prime is 163965290763661. The next prime is 163965290763689. The reversal of 163965290763667 is 766367092569361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163965290763667 - 2⁴⁷ = 23227802408339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163965290763593 and 163965290763602.

It is not a weakly prime, because it can be changed into another prime (163965290763661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81982645381833 + 81982645381834.

It is an arithmetic number, because the mean of its divisors is an integer number (81982645381834).

Almost surely, 2^{163965290763667} is an apocalyptic number.

163965290763667 is a deficient number, since it is larger than the sum of its proper divisors (1).

163965290763667 is an equidigital number, since it uses as much as digits as its factorization.

163965290763667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2777664960, while the sum is 76.

The spelling of 163965290763667 in words is "one hundred sixty-three trillion, nine hundred sixty-five billion, two hundred ninety million, seven hundred sixty-three thousand, six hundred sixty-seven".