16505355234 has 64 divisors (see below), whose sum is σ = 35571151872. Its totient is φ = 5095353600.

The previous prime is 16505355211. The next prime is 16505355247. The reversal of 16505355234 is 43255350561.

It is a junction number, because it is equal to n+sod(n) for n = 16505355192 and 16505355201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400144 + ... + 439460.

It is an arithmetic number, because the mean of its divisors is an integer number (555799248).

Almost surely, 2^16505355234 is an apocalyptic number.

16505355234 is an abundant number, since it is smaller than the sum of its proper divisors (19065796638).

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

16505355234 is a wasteful number, since it uses less digits than its factorization.

16505355234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39451.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 16505355234 in words is "sixteen billion, five hundred five million, three hundred fifty-five thousand, two hundred thirty-four".