16854781116 has 24 divisors (see below), whose sum is σ = 39801654144. Its totient is φ = 5550570160.

The previous prime is 16854781067. The next prime is 16854781129. The reversal of 16854781116 is 61118745861.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8460240 + ... + 8462231.

It is an arithmetic number, because the mean of its divisors is an integer number (1658402256).

Almost surely, 2^16854781116 is an apocalyptic number.

It is an amenable number.

16854781116 is an abundant number, since it is smaller than the sum of its proper divisors (22946873028).

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

16854781116 is a wasteful number, since it uses less digits than its factorization.

16854781116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16922561 (or 16922559 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The spelling of 16854781116 in words is "sixteen billion, eight hundred fifty-four million, seven hundred eighty-one thousand, one hundred sixteen".