163303434 has 24 divisors (see below), whose sum is σ = 404370720. Its totient is φ = 46658088.

The previous prime is 163303433. The next prime is 163303457. The reversal of 163303434 is 434303361.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163303398 and 163303407.

It is not an unprimeable number, because it can be changed into a prime (163303433) 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 11 ways as a sum of consecutive naturals, for example, 647904 + ... + 648155.

It is an arithmetic number, because the mean of its divisors is an integer number (16848780).

Almost surely, 2^163303434 is an apocalyptic number.

163303434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163303434 is an abundant number, since it is smaller than the sum of its proper divisors (241067286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163303434 is a wasteful number, since it uses less digits than its factorization.

163303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296074 (or 1296071 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 163303434 is about 12779.0232021074. The cubic root of 163303434 is about 546.5943091983.

Adding to 163303434 its reverse (434303361), we get a palindrome (597606795).

The spelling of 163303434 in words is "one hundred sixty-three million, three hundred three thousand, four hundred thirty-four".