16855321182 has 64 divisors (see below), whose sum is σ = 38779513344. Its totient is φ = 4784250240.

The previous prime is 16855321163. The next prime is 16855321183. The reversal of 16855321182 is 28112355861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16855321183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8380557 + ... + 8382567.

It is an arithmetic number, because the mean of its divisors is an integer number (605929896).

Almost surely, 2^16855321182 is an apocalyptic number.

16855321182 is an abundant number, since it is smaller than the sum of its proper divisors (21924192162).

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

16855321182 is a wasteful number, since it uses less digits than its factorization.

16855321182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its digits is 115200, while the sum is 42.

The spelling of 16855321182 in words is "sixteen billion, eight hundred fifty-five million, three hundred twenty-one thousand, one hundred eighty-two".