16486821120 has 864 divisors, whose sum is σ = 68428410624. Its totient is φ = 3308912640.

The previous prime is 16486821073. The next prime is 16486821193. The reversal of 16486821120 is 2112868461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120341692 + ... + 120341828.

Almost surely, 2^16486821120 is an apocalyptic number.

16486821120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16486821120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34214205312).

16486821120 is an abundant number, since it is smaller than the sum of its proper divisors (51941589504).

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

16486821120 is a wasteful number, since it uses less digits than its factorization.

16486821120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 16486821120 in words is "sixteen billion, four hundred eighty-six million, eight hundred twenty-one thousand, one hundred twenty".