163043041625 has 8 divisors (see below), whose sum is σ = 203477716104. Its totient is φ = 130434433200.

The previous prime is 163043041619. The next prime is 163043041717. The reversal of 163043041625 is 526140340361.

It can be written as a sum of positive squares in 4 ways, for example, as 29549266201 + 133493775424 = 171899^2 + 365368^2 .

It is not a de Polignac number, because 163043041625 - 2¹⁸ = 163042779481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652172042 + ... + 652172291.

It is an arithmetic number, because the mean of its divisors is an integer number (25434714513).

Almost surely, 2^163043041625 is an apocalyptic number.

It is an amenable number.

163043041625 is a deficient number, since it is larger than the sum of its proper divisors (40434674479).

163043041625 is an equidigital number, since it uses as much as digits as its factorization.

163043041625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304344348 (or 1304344338 counting only the distinct ones).

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

Adding to 163043041625 its reverse (526140340361), we get a palindrome (689183381986).

The spelling of 163043041625 in words is "one hundred sixty-three billion, forty-three million, forty-one thousand, six hundred twenty-five".