163464065 has 4 divisors (see below), whose sum is σ = 196156884. Its totient is φ = 130771248.

The previous prime is 163464047. The next prime is 163464083. The reversal of 163464065 is 560464361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560464361 = 2939 ⋅190699.

It is an interprime number because it is at equal distance from previous prime (163464047) and next prime (163464083).

It can be written as a sum of positive squares in 2 ways, for example, as 68674369 + 94789696 = 8287^2 + 9736^2 .

It is a cyclic number.

It is not a de Polignac number, because 163464065 - 2⁸ = 163463809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16346402 + ... + 16346411.

It is an arithmetic number, because the mean of its divisors is an integer number (49039221).

Almost surely, 2^163464065 is an apocalyptic number.

It is an amenable number.

163464065 is a deficient number, since it is larger than the sum of its proper divisors (32692819).

163464065 is an equidigital number, since it uses as much as digits as its factorization.

163464065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32692818.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 163464065 is about 12785.3066056313. The cubic root of 163464065 is about 546.7734669301.

The spelling of 163464065 in words is "one hundred sixty-three million, four hundred sixty-four thousand, sixty-five".