16909485996 has 96 divisors (see below), whose sum is σ = 44612547840. Its totient is φ = 4948441344.

The previous prime is 16909485913. The next prime is 16909486073. The reversal of 16909485996 is 69958490961.

It is a super-2 number, since 2×16909485996² (a number of 21 digits) contains 22 as substring.

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, 275215 + ... + 331001.

It is an arithmetic number, because the mean of its divisors is an integer number (464714040).

Almost surely, 2^16909485996 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 16909485996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22306273920).

16909485996 is an abundant number, since it is smaller than the sum of its proper divisors (27703061844).

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

16909485996 is a wasteful number, since it uses less digits than its factorization.

16909485996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55903 (or 55901 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 66.

The spelling of 16909485996 in words is "sixteen billion, nine hundred nine million, four hundred eighty-five thousand, nine hundred ninety-six".