16509673122 has 16 divisors (see below), whose sum is σ = 33051385152. Its totient is φ = 5497884560.

The previous prime is 16509673111. The next prime is 16509673123. The reversal of 16509673122 is 22137690561.

16509673122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16509673123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1328253 + ... + 1340624.

It is an arithmetic number, because the mean of its divisors is an integer number (2065711572).

Almost surely, 2^16509673122 is an apocalyptic number.

16509673122 is an abundant number, since it is smaller than the sum of its proper divisors (16541712030).

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

16509673122 is a wasteful number, since it uses less digits than its factorization.

16509673122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669913.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 16509673122 in words is "sixteen billion, five hundred nine million, six hundred seventy-three thousand, one hundred twenty-two".