16871590220 has 12 divisors (see below), whose sum is σ = 35430339504. Its totient is φ = 6748636080.

The previous prime is 16871590199. The next prime is 16871590237. The reversal of 16871590220 is 2209517861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421789736 + ... + 421789775.

It is an arithmetic number, because the mean of its divisors is an integer number (2952528292).

Almost surely, 2^16871590220 is an apocalyptic number.

16871590220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16871590220 is an abundant number, since it is smaller than the sum of its proper divisors (18558749284).

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

16871590220 is a wasteful number, since it uses less digits than its factorization.

16871590220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843579520 (or 843579518 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 16871590220 in words is "sixteen billion, eight hundred seventy-one million, five hundred ninety thousand, two hundred twenty".