16881480 has 384 divisors, whose sum is σ = 73872000. Its totient is φ = 3386880.

The previous prime is 16881461. The next prime is 16881511. The reversal of 16881480 is 8418861.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 582106 + ... + 582134.

It is an arithmetic number, because the mean of its divisors is an integer number (192375).

Almost surely, 2^16881480 is an apocalyptic number.

16881480 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 16881480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36936000).

16881480 is an abundant number, since it is smaller than the sum of its proper divisors (56990520).

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

16881480 is a wasteful number, since it uses less digits than its factorization.

16881480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 16881480 is about 4108.7078260689. The cubic root of 16881480 is about 256.5292193381.

The spelling of 16881480 in words is "sixteen million, eight hundred eighty-one thousand, four hundred eighty".