163046401 has 4 divisors (see below), whose sum is σ = 186338752. Its totient is φ = 139754052.

The previous prime is 163046393. The next prime is 163046413. The reversal of 163046401 is 104640361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163046401 - 2³ = 163046393 is a prime.

It is a super-3 number, since 3×163046401³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163046491) by changing a digit.

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, 11646165 + ... + 11646178.

It is an arithmetic number, because the mean of its divisors is an integer number (46584688).

Almost surely, 2^163046401 is an apocalyptic number.

It is an amenable number.

163046401 is a deficient number, since it is larger than the sum of its proper divisors (23292351).

163046401 is an equidigital number, since it uses as much as digits as its factorization.

163046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23292350.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 163046401 is about 12768.9624089039. The cubic root of 163046401 is about 546.3073861656.

Adding to 163046401 its reverse (104640361), we get a palindrome (267686762).

The spelling of 163046401 in words is "one hundred sixty-three million, forty-six thousand, four hundred one".