163325456434 has 16 divisors (see below), whose sum is σ = 280175329728. Its totient is φ = 69949415952.

The previous prime is 163325456363. The next prime is 163325456449. The reversal of 163325456434 is 434654523361.

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, 3912517 + ... + 3954040.

It is an arithmetic number, because the mean of its divisors is an integer number (17510958108).

Almost surely, 2^163325456434 is an apocalyptic number.

163325456434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163325456434 is a deficient number, since it is larger than the sum of its proper divisors (116849873294).

163325456434 is a wasteful number, since it uses less digits than its factorization.

163325456434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868049.

The product of its digits is 3110400, while the sum is 46.

Adding to 163325456434 its reverse (434654523361), we get a palindrome (597979979795).

The spelling of 163325456434 in words is "one hundred sixty-three billion, three hundred twenty-five million, four hundred fifty-six thousand, four hundred thirty-four".