163430401 has 16 divisors (see below), whose sum is σ = 178200000. Its totient is φ = 149280768.

The previous prime is 163430389. The next prime is 163430417. The reversal of 163430401 is 104034361.

It is a cyclic number.

It is not a de Polignac number, because 163430401 - 2¹³ = 163422209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163430461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130225 + ... + 131473.

It is an arithmetic number, because the mean of its divisors is an integer number (11137500).

It is a Proth number, since it is equal to 9975 ⋅ 2¹⁴ + 1 and 9975 < 2¹⁴.

Almost surely, 2^163430401 is an apocalyptic number.

It is an amenable number.

163430401 is a deficient number, since it is larger than the sum of its proper divisors (14769599).

163430401 is a wasteful number, since it uses less digits than its factorization.

163430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 163430401 is about 12783.9900265919. The cubic root of 163430401 is about 546.7359299426.

Adding to 163430401 its reverse (104034361), we get a palindrome (267464762).

The spelling of 163430401 in words is "one hundred sixty-three million, four hundred thirty thousand, four hundred one".