16505243032 has 16 divisors (see below), whose sum is σ = 31231252800. Its totient is φ = 8176908960.

The previous prime is 16505243021. The next prime is 16505243059. The reversal of 16505243032 is 23034250561.

It is a happy number.

16505243032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16505242985 and 16505243003.

It is a congruent number.

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, 9463144 + ... + 9464887.

It is an arithmetic number, because the mean of its divisors is an integer number (1951953300).

Almost surely, 2^16505243032 is an apocalyptic number.

It is an amenable number.

16505243032 is a deficient number, since it is larger than the sum of its proper divisors (14726009768).

16505243032 is a wasteful number, since it uses less digits than its factorization.

16505243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18928146 (or 18928142 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 16505243032 its reverse (23034250561), we get a palindrome (39539493593).

The spelling of 16505243032 in words is "sixteen billion, five hundred five million, two hundred forty-three thousand, thirty-two".