16995472 has 40 divisors (see below), whose sum is σ = 35857080. Its totient is φ = 7756800.

The previous prime is 16995463. The next prime is 16995487. The reversal of 16995472 is 27459961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7160976 + 9834496 = 2676^2 + 3136^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20604 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (896427).

Almost surely, 2^16995472 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 16995472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17928540).

16995472 is an abundant number, since it is smaller than the sum of its proper divisors (18861608).

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

16995472 is a wasteful number, since it uses less digits than its factorization.

16995472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 925 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 16995472 is about 4122.5564883941. The cubic root of 16995472 is about 257.1053280915.

The spelling of 16995472 in words is "sixteen million, nine hundred ninety-five thousand, four hundred seventy-two".