16437872 has 40 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 7340480.

The previous prime is 16437871. The next prime is 16437899. The reversal of 16437872 is 27873461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16437871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9593 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (883872).

Almost surely, 2^16437872 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 16437872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17677440).

16437872 is an abundant number, since it is smaller than the sum of its proper divisors (18917008).

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

16437872 is a wasteful number, since it uses less digits than its factorization.

16437872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1655 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 16437872 is about 4054.3645618025. The cubic root of 16437872 is about 254.2622376893.

The spelling of 16437872 in words is "sixteen million, four hundred thirty-seven thousand, eight hundred seventy-two".