16965853312 has 128 divisors (see below), whose sum is σ = 36790992000. Its totient is φ = 7765549056.

The previous prime is 16965853301. The next prime is 16965853327. The reversal of 16965853312 is 21335856961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15026764 + ... + 15027892.

It is an arithmetic number, because the mean of its divisors is an integer number (287429625).

Almost surely, 2^16965853312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16965853312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18395496000).

16965853312 is an abundant number, since it is smaller than the sum of its proper divisors (19825138688).

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

16965853312 is a wasteful number, since it uses less digits than its factorization.

16965853312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1354 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The spelling of 16965853312 in words is "sixteen billion, nine hundred sixty-five million, eight hundred fifty-three thousand, three hundred twelve".