16451448 has 64 divisors (see below), whose sum is σ = 45010560. Its totient is φ = 4980096.

The previous prime is 16451447. The next prime is 16451471. The reversal of 16451448 is 84415461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16451443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20511 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (703290).

Almost surely, 2^16451448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16451448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22505280).

16451448 is an abundant number, since it is smaller than the sum of its proper divisors (28559112).

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

16451448 is a wasteful number, since it uses less digits than its factorization.

16451448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 872 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 16451448 is about 4056.0384613561. The cubic root of 16451448 is about 254.3322166233.

The spelling of 16451448 in words is "sixteen million, four hundred fifty-one thousand, four hundred forty-eight".