16508963472 has 20 divisors (see below), whose sum is σ = 42648155760. Its totient is φ = 5502987808.

The previous prime is 16508963453. The next prime is 16508963473. The reversal of 16508963472 is 27436980561.

It is not an unprimeable number, because it can be changed into a prime (16508963473) 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 3 ways as a sum of consecutive naturals, for example, 171968322 + ... + 171968417.

It is an arithmetic number, because the mean of its divisors is an integer number (2132407788).

It is a 1-persistent number, because it is pandigital, but 2⋅16508963472 = 33017926944 is not.

Almost surely, 2^16508963472 is an apocalyptic number.

16508963472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16508963472 is an abundant number, since it is smaller than the sum of its proper divisors (26139192288).

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

16508963472 is a wasteful number, since it uses less digits than its factorization.

16508963472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343936750 (or 343936744 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 16508963472 in words is "sixteen billion, five hundred eight million, nine hundred sixty-three thousand, four hundred seventy-two".