16447080 has 96 divisors (see below), whose sum is σ = 53494560. Its totient is φ = 4043520.

The previous prime is 16447069. The next prime is 16447087. The reversal of 16447080 is 8074461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16447087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19875 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (557235).

Almost surely, 2^16447080 is an apocalyptic number.

16447080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 4055×4056.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16447080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26747280).

16447080 is an abundant number, since it is smaller than the sum of its proper divisors (37047480).

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

16447080 is a wasteful number, since it uses less digits than its factorization.

16447080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 16447080 is about 4055.4999691777. The cubic root of 16447080 is about 254.3097055054.

The spelling of 16447080 in words is "sixteen million, four hundred forty-seven thousand, eighty".