163103520 has 48 divisors (see below), whose sum is σ = 513777600. Its totient is φ = 43494144.

The previous prime is 163103519. The next prime is 163103539. The reversal of 163103520 is 25301361.

163103520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 169420 + ... + 170379.

It is an arithmetic number, because the mean of its divisors is an integer number (10703700).

Almost surely, 2^163103520 is an apocalyptic number.

163103520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163103520 is an abundant number, since it is smaller than the sum of its proper divisors (350674080).

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

163103520 is a wasteful number, since it uses less digits than its factorization.

163103520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339817 (or 339809 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 163103520 is about 12771.1988474066. The cubic root of 163103520 is about 546.3711735051.

Adding to 163103520 its reverse (25301361), we get a palindrome (188404881).

The spelling of 163103520 in words is "one hundred sixty-three million, one hundred three thousand, five hundred twenty".