163325456435 has 4 divisors (see below), whose sum is σ = 195990547728. Its totient is φ = 130660365144.

The previous prime is 163325456363. The next prime is 163325456449. The reversal of 163325456435 is 534654523361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163325456435 - 2²⁸ = 163057020979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163325456435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16332545639 + ... + 16332545648.

It is an arithmetic number, because the mean of its divisors is an integer number (48997636932).

Almost surely, 2^163325456435 is an apocalyptic number.

163325456435 is a deficient number, since it is larger than the sum of its proper divisors (32665091293).

163325456435 is an equidigital number, since it uses as much as digits as its factorization.

163325456435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32665091292.

The product of its digits is 3888000, while the sum is 47.

Adding to 163325456435 its reverse (534654523361), we get a palindrome (697979979796).

The spelling of 163325456435 in words is "one hundred sixty-three billion, three hundred twenty-five million, four hundred fifty-six thousand, four hundred thirty-five".