16985154696 has 128 divisors (see below), whose sum is σ = 44633011200. Its totient is φ = 5379747840.

The previous prime is 16985154677. The next prime is 16985154707. The reversal of 16985154696 is 69645158961.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15043860 + ... + 15044988.

It is an arithmetic number, because the mean of its divisors is an integer number (348695400).

Almost surely, 2^16985154696 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 16985154696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22316505600).

16985154696 is an abundant number, since it is smaller than the sum of its proper divisors (27647856504).

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

16985154696 is a wasteful number, since it uses less digits than its factorization.

16985154696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1515 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 16985154696 in words is "sixteen billion, nine hundred eighty-five million, one hundred fifty-four thousand, six hundred ninety-six".