16181063320 has 16 divisors (see below), whose sum is σ = 36407392560. Its totient is φ = 6472425312.

The previous prime is 16181063303. The next prime is 16181063323. The reversal of 16181063320 is 2336018161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16181063323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 202263252 + ... + 202263331.

It is an arithmetic number, because the mean of its divisors is an integer number (2275462035).

Almost surely, 2^16181063320 is an apocalyptic number.

16181063320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16181063320 is an abundant number, since it is smaller than the sum of its proper divisors (20226329240).

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

16181063320 is a wasteful number, since it uses less digits than its factorization.

16181063320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404526594 (or 404526590 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 16181063320 in words is "sixteen billion, one hundred eighty-one million, sixty-three thousand, three hundred twenty".