16880280 has 64 divisors (see below), whose sum is σ = 51010560. Its totient is φ = 4468608.

The previous prime is 16880263. The next prime is 16880293. The reversal of 16880280 is 8208861.

It is a congruent number.

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, 19129 + ... + 19991.

It is an arithmetic number, because the mean of its divisors is an integer number (797040).

Almost surely, 2^16880280 is an apocalyptic number.

16880280 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 16880280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25505280).

16880280 is an abundant number, since it is smaller than the sum of its proper divisors (34130280).

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

16880280 is a wasteful number, since it uses less digits than its factorization.

16880280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 16880280 is about 4108.5617921604. The cubic root of 16880280 is about 256.5231408356.

The spelling of 16880280 in words is "sixteen million, eight hundred eighty thousand, two hundred eighty".