16316225520 has 160 divisors (see below), whose sum is σ = 59216209920. Its totient is φ = 3638446080.

The previous prime is 16316225501. The next prime is 16316225593. The reversal of 16316225520 is 2552261361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49560 + ... + 187319.

It is an arithmetic number, because the mean of its divisors is an integer number (370101312).

Almost surely, 2^16316225520 is an apocalyptic number.

16316225520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16316225520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29608104960).

16316225520 is an abundant number, since it is smaller than the sum of its proper divisors (42899984400).

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

16316225520 is a wasteful number, since it uses less digits than its factorization.

16316225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236943 (or 236937 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 16316225520 its reverse (2552261361), we get a palindrome (18868486881).

The spelling of 16316225520 in words is "sixteen billion, three hundred sixteen million, two hundred twenty-five thousand, five hundred twenty".