16499448 has 96 divisors (see below), whose sum is σ = 53788800. Its totient is φ = 4463424.

The previous prime is 16499423. The next prime is 16499449. The reversal of 16499448 is 84499461.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16499449) 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, 8715 + ... + 10437.

It is an arithmetic number, because the mean of its divisors is an integer number (560300).

Almost surely, 2^16499448 is an apocalyptic number.

16499448 is a gapful number since it is divisible by the number (18) 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 16499448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26894400).

16499448 is an abundant number, since it is smaller than the sum of its proper divisors (37289352).

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

16499448 is a wasteful number, since it uses less digits than its factorization.

16499448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1754 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 16499448 is about 4061.9512552467. The cubic root of 16499448 is about 254.5793294744.

The spelling of 16499448 in words is "sixteen million, four hundred ninety-nine thousand, four hundred forty-eight".